Home / 309,435.68-464,160-99,073

Finding the Fourth Proportional to 309,435.68, 464,160 and 99,073

Calculator

Solution

The fourth proportional to 309,435.68, 464,160 and 99,073 is: 148,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,435.68 : 464,160 = 99,073 : x
  2. Step 2: Convert to fraction form
    309,435.68/464,160 = 99,073/x
  3. Step 3: Cross multiply
    309,435.68x = 464,160 × 99,073
  4. Step 4: Simplify right side
    309,435.68x = 45,985,723,680
  5. Step 5: Solve for x
    x = 45,985,723,680/309,435.68
  6. Step 6: Final answer
    x = 148,611.57

Related Problems

Find fourth proportional to 154,717.84, 232,080 and 49,536.50
Half scale
Find fourth proportional to 618,871.36, 928,320 and 198,146
Double scale
Find fourth proportional to 309,436.68, 464,161.50 and 99,074
Similar ratio
Find fourth proportional to 464,153.52, 696,240 and 148,609.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.