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Finding the Fourth Proportional to 115,044.60, 172,631.70 and 44,914.80

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Solution

The fourth proportional to 115,044.60, 172,631.70 and 44,914.80 is: 67,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,044.60 : 172,631.70 = 44,914.80 : x
  2. Step 2: Convert to fraction form
    115,044.60/172,631.70 = 44,914.80/x
  3. Step 3: Cross multiply
    115,044.60x = 172,631.70 × 44,914.80
  4. Step 4: Simplify right side
    115,044.60x = 7,753,718,279.16
  5. Step 5: Solve for x
    x = 7,753,718,279.16/115,044.60
  6. Step 6: Final answer
    x = 67,397.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.