Home / 156,505.28-234,672.95-71,069.22

Finding the Fourth Proportional to 156,505.28, 234,672.95 and 71,069.22

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Solution

The fourth proportional to 156,505.28, 234,672.95 and 71,069.22 is: 106,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,505.28 : 234,672.95 = 71,069.22 : x
  2. Step 2: Convert to fraction form
    156,505.28/234,672.95 = 71,069.22/x
  3. Step 3: Cross multiply
    156,505.28x = 234,672.95 × 71,069.22
  4. Step 4: Simplify right side
    156,505.28x = 16,678,023,689.27
  5. Step 5: Solve for x
    x = 16,678,023,689.27/156,505.28
  6. Step 6: Final answer
    x = 106,565.25

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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.