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Finding the Fourth Proportional to 168,363.60, 252,345.60 and 89,437.20

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Solution

The fourth proportional to 168,363.60, 252,345.60 and 89,437.20 is: 134,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,363.60 : 252,345.60 = 89,437.20 : x
  2. Step 2: Convert to fraction form
    168,363.60/252,345.60 = 89,437.20/x
  3. Step 3: Cross multiply
    168,363.60x = 252,345.60 × 89,437.20
  4. Step 4: Simplify right side
    168,363.60x = 22,569,083,896.32
  5. Step 5: Solve for x
    x = 22,569,083,896.32/168,363.60
  6. Step 6: Final answer
    x = 134,049.66

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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.