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Finding the Fourth Proportional to 103,250.90, 154,876.35 and 36,766.10

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Solution

The fourth proportional to 103,250.90, 154,876.35 and 36,766.10 is: 55,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,250.90 : 154,876.35 = 36,766.10 : x
  2. Step 2: Convert to fraction form
    103,250.90/154,876.35 = 36,766.10/x
  3. Step 3: Cross multiply
    103,250.90x = 154,876.35 × 36,766.10
  4. Step 4: Simplify right side
    103,250.90x = 5,694,199,371.74
  5. Step 5: Solve for x
    x = 5,694,199,371.74/103,250.90
  6. Step 6: Final answer
    x = 55,149.15

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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.