Home / 165,387.36-228,229.68-93,773.92

Finding the Fourth Proportional to 165,387.36, 228,229.68 and 93,773.92

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Solution

The fourth proportional to 165,387.36, 228,229.68 and 93,773.92 is: 129,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,387.36 : 228,229.68 = 93,773.92 : x
  2. Step 2: Convert to fraction form
    165,387.36/228,229.68 = 93,773.92/x
  3. Step 3: Cross multiply
    165,387.36x = 228,229.68 × 93,773.92
  4. Step 4: Simplify right side
    165,387.36x = 21,401,991,753.95
  5. Step 5: Solve for x
    x = 21,401,991,753.95/165,387.36
  6. Step 6: Final answer
    x = 129,405.24

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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.