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Finding the Fourth Proportional to 117,522.78, 176,306.04 and 38,640.12

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Solution

The fourth proportional to 117,522.78, 176,306.04 and 38,640.12 is: 57,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,522.78 : 176,306.04 = 38,640.12 : x
  2. Step 2: Convert to fraction form
    117,522.78/176,306.04 = 38,640.12/x
  3. Step 3: Cross multiply
    117,522.78x = 176,306.04 × 38,640.12
  4. Step 4: Simplify right side
    117,522.78x = 6,812,486,542.32
  5. Step 5: Solve for x
    x = 6,812,486,542.32/117,522.78
  6. Step 6: Final answer
    x = 57,967.37

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1.5x scale

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.