Home / 129,153.62-193,719.42-44,892.15

Finding the Fourth Proportional to 129,153.62, 193,719.42 and 44,892.15

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Solution

The fourth proportional to 129,153.62, 193,719.42 and 44,892.15 is: 67,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,153.62 : 193,719.42 = 44,892.15 : x
  2. Step 2: Convert to fraction form
    129,153.62/193,719.42 = 44,892.15/x
  3. Step 3: Cross multiply
    129,153.62x = 193,719.42 × 44,892.15
  4. Step 4: Simplify right side
    129,153.62x = 8,696,481,260.55
  5. Step 5: Solve for x
    x = 8,696,481,260.55/129,153.62
  6. Step 6: Final answer
    x = 67,334.40

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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.