Home / 131,650.52-181,677.17-71,221.02

Finding the Fourth Proportional to 131,650.52, 181,677.17 and 71,221.02

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Solution

The fourth proportional to 131,650.52, 181,677.17 and 71,221.02 is: 98,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,650.52 : 181,677.17 = 71,221.02 : x
  2. Step 2: Convert to fraction form
    131,650.52/181,677.17 = 71,221.02/x
  3. Step 3: Cross multiply
    131,650.52x = 181,677.17 × 71,221.02
  4. Step 4: Simplify right side
    131,650.52x = 12,939,233,358.11
  5. Step 5: Solve for x
    x = 12,939,233,358.11/131,650.52
  6. Step 6: Final answer
    x = 98,284.71

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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.