Home / 129,572.10-194,139.45-62,868.60

Finding the Fourth Proportional to 129,572.10, 194,139.45 and 62,868.60

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Solution

The fourth proportional to 129,572.10, 194,139.45 and 62,868.60 is: 94,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,572.10 : 194,139.45 = 62,868.60 : x
  2. Step 2: Convert to fraction form
    129,572.10/194,139.45 = 62,868.60/x
  3. Step 3: Cross multiply
    129,572.10x = 194,139.45 × 62,868.60
  4. Step 4: Simplify right side
    129,572.10x = 12,205,275,426.27
  5. Step 5: Solve for x
    x = 12,205,275,426.27/129,572.10
  6. Step 6: Final answer
    x = 94,196.79

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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.