Home / 127,489.20-191,306.70-88,074.60

Finding the Fourth Proportional to 127,489.20, 191,306.70 and 88,074.60

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Solution

The fourth proportional to 127,489.20, 191,306.70 and 88,074.60 is: 132,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,489.20 : 191,306.70 = 88,074.60 : x
  2. Step 2: Convert to fraction form
    127,489.20/191,306.70 = 88,074.60/x
  3. Step 3: Cross multiply
    127,489.20x = 191,306.70 × 88,074.60
  4. Step 4: Simplify right side
    127,489.20x = 16,849,261,079.82
  5. Step 5: Solve for x
    x = 16,849,261,079.82/127,489.20
  6. Step 6: Final answer
    x = 132,162.26

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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.