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Finding the Fourth Proportional to 117,531.40, 176,279.10 and 38,645.80

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Solution

The fourth proportional to 117,531.40, 176,279.10 and 38,645.80 is: 57,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,531.40 : 176,279.10 = 38,645.80 : x
  2. Step 2: Convert to fraction form
    117,531.40/176,279.10 = 38,645.80/x
  3. Step 3: Cross multiply
    117,531.40x = 176,279.10 × 38,645.80
  4. Step 4: Simplify right side
    117,531.40x = 6,812,446,842.78
  5. Step 5: Solve for x
    x = 6,812,446,842.78/117,531.40
  6. Step 6: Final answer
    x = 57,962.78

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