Home / 88,142-132,213-22,478

Finding the Fourth Proportional to 88,142, 132,213 and 22,478

Calculator

Solution

The fourth proportional to 88,142, 132,213 and 22,478 is: 33,717

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,142 : 132,213 = 22,478 : x
  2. Step 2: Convert to fraction form
    88,142/132,213 = 22,478/x
  3. Step 3: Cross multiply
    88,142x = 132,213 × 22,478
  4. Step 4: Simplify right side
    88,142x = 2,971,883,814
  5. Step 5: Solve for x
    x = 2,971,883,814/88,142
  6. Step 6: Final answer
    x = 33,717

Related Problems

Find fourth proportional to 44,071, 66,106.50 and 11,239
Half scale
Find fourth proportional to 176,284, 264,426 and 44,956
Double scale
Find fourth proportional to 88,143, 132,214.50 and 22,479
Similar ratio
Find fourth proportional to 132,213, 198,319.50 and 33,717
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.