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Finding the Fourth Proportional to 117,250.60, 175,874.63 and 28,504.20

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Solution

The fourth proportional to 117,250.60, 175,874.63 and 28,504.20 is: 42,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,250.60 : 175,874.63 = 28,504.20 : x
  2. Step 2: Convert to fraction form
    117,250.60/175,874.63 = 28,504.20/x
  3. Step 3: Cross multiply
    117,250.60x = 175,874.63 × 28,504.20
  4. Step 4: Simplify right side
    117,250.60x = 5,013,165,156.16
  5. Step 5: Solve for x
    x = 5,013,165,156.16/117,250.60
  6. Step 6: Final answer
    x = 42,755.99

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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.