Home / 165,023.72-227,732.94-89,572.24

Finding the Fourth Proportional to 165,023.72, 227,732.94 and 89,572.24

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Solution

The fourth proportional to 165,023.72, 227,732.94 and 89,572.24 is: 123,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,023.72 : 227,732.94 = 89,572.24 : x
  2. Step 2: Convert to fraction form
    165,023.72/227,732.94 = 89,572.24/x
  3. Step 3: Cross multiply
    165,023.72x = 227,732.94 × 89,572.24
  4. Step 4: Simplify right side
    165,023.72x = 20,398,549,557.59
  5. Step 5: Solve for x
    x = 20,398,549,557.59/165,023.72
  6. Step 6: Final answer
    x = 123,609.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.