Home / 151,687.55-209,370.45-88,045.85

Finding the Fourth Proportional to 151,687.55, 209,370.45 and 88,045.85

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Solution

The fourth proportional to 151,687.55, 209,370.45 and 88,045.85 is: 121,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,687.55 : 209,370.45 = 88,045.85 : x
  2. Step 2: Convert to fraction form
    151,687.55/209,370.45 = 88,045.85/x
  3. Step 3: Cross multiply
    151,687.55x = 209,370.45 × 88,045.85
  4. Step 4: Simplify right side
    151,687.55x = 18,434,198,188.28
  5. Step 5: Solve for x
    x = 18,434,198,188.28/151,687.55
  6. Step 6: Final answer
    x = 121,527.43

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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.