Home / 165,002.50-227,708.31-89,555.86

Finding the Fourth Proportional to 165,002.50, 227,708.31 and 89,555.86

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Solution

The fourth proportional to 165,002.50, 227,708.31 and 89,555.86 is: 123,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,002.50 : 227,708.31 = 89,555.86 : x
  2. Step 2: Convert to fraction form
    165,002.50/227,708.31 = 89,555.86/x
  3. Step 3: Cross multiply
    165,002.50x = 227,708.31 × 89,555.86
  4. Step 4: Simplify right side
    165,002.50x = 20,392,613,531.20
  5. Step 5: Solve for x
    x = 20,392,613,531.20/165,002.50
  6. Step 6: Final answer
    x = 123,589.72

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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.