Home / 127,932.26-191,764.33-71,689.91

Finding the Fourth Proportional to 127,932.26, 191,764.33 and 71,689.91

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Solution

The fourth proportional to 127,932.26, 191,764.33 and 71,689.91 is: 107,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,932.26 : 191,764.33 = 71,689.91 : x
  2. Step 2: Convert to fraction form
    127,932.26/191,764.33 = 71,689.91/x
  3. Step 3: Cross multiply
    127,932.26x = 191,764.33 × 71,689.91
  4. Step 4: Simplify right side
    127,932.26x = 13,747,566,420.86
  5. Step 5: Solve for x
    x = 13,747,566,420.86/127,932.26
  6. Step 6: Final answer
    x = 107,459.74

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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.