Home / 99,680.10-149,318.55-62,124.90

Finding the Fourth Proportional to 99,680.10, 149,318.55 and 62,124.90

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Solution

The fourth proportional to 99,680.10, 149,318.55 and 62,124.90 is: 93,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680.10 : 149,318.55 = 62,124.90 : x
  2. Step 2: Convert to fraction form
    99,680.10/149,318.55 = 62,124.90/x
  3. Step 3: Cross multiply
    99,680.10x = 149,318.55 × 62,124.90
  4. Step 4: Simplify right side
    99,680.10x = 9,276,399,986.90
  5. Step 5: Solve for x
    x = 9,276,399,986.90/99,680.10
  6. Step 6: Final answer
    x = 93,061.70

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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.