Home / 127,650.96-191,248.02-71,425.62

Finding the Fourth Proportional to 127,650.96, 191,248.02 and 71,425.62

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Solution

The fourth proportional to 127,650.96, 191,248.02 and 71,425.62 is: 107,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650.96 : 191,248.02 = 71,425.62 : x
  2. Step 2: Convert to fraction form
    127,650.96/191,248.02 = 71,425.62/x
  3. Step 3: Cross multiply
    127,650.96x = 191,248.02 × 71,425.62
  4. Step 4: Simplify right side
    127,650.96x = 13,660,008,402.27
  5. Step 5: Solve for x
    x = 13,660,008,402.27/127,650.96
  6. Step 6: Final answer
    x = 107,010.62

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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.