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Finding the Fourth Proportional to 123,445.68, 185,169.08 and 29,951.36

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Solution

The fourth proportional to 123,445.68, 185,169.08 and 29,951.36 is: 44,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,445.68 : 185,169.08 = 29,951.36 : x
  2. Step 2: Convert to fraction form
    123,445.68/185,169.08 = 29,951.36/x
  3. Step 3: Cross multiply
    123,445.68x = 185,169.08 × 29,951.36
  4. Step 4: Simplify right side
    123,445.68x = 5,546,065,775.95
  5. Step 5: Solve for x
    x = 5,546,065,775.95/123,445.68
  6. Step 6: Final answer
    x = 44,927.18

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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.