Home / 105,100.68-145,043.67-59,176.14

Finding the Fourth Proportional to 105,100.68, 145,043.67 and 59,176.14

Calculator

Solution

The fourth proportional to 105,100.68, 145,043.67 and 59,176.14 is: 81,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,100.68 : 145,043.67 = 59,176.14 : x
  2. Step 2: Convert to fraction form
    105,100.68/145,043.67 = 59,176.14/x
  3. Step 3: Cross multiply
    105,100.68x = 145,043.67 × 59,176.14
  4. Step 4: Simplify right side
    105,100.68x = 8,583,123,867.16
  5. Step 5: Solve for x
    x = 8,583,123,867.16/105,100.68
  6. Step 6: Final answer
    x = 81,665.73

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.