Home / 168,456.14-252,502.77-89,490.86

Finding the Fourth Proportional to 168,456.14, 252,502.77 and 89,490.86

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Solution

The fourth proportional to 168,456.14, 252,502.77 and 89,490.86 is: 134,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,456.14 : 252,502.77 = 89,490.86 : x
  2. Step 2: Convert to fraction form
    168,456.14/252,502.77 = 89,490.86/x
  3. Step 3: Cross multiply
    168,456.14x = 252,502.77 × 89,490.86
  4. Step 4: Simplify right side
    168,456.14x = 22,596,690,039.68
  5. Step 5: Solve for x
    x = 22,596,690,039.68/168,456.14
  6. Step 6: Final answer
    x = 134,139.90

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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.