Home / 126,317.61-189,575.42-88,118.42

Finding the Fourth Proportional to 126,317.61, 189,575.42 and 88,118.42

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Solution

The fourth proportional to 126,317.61, 189,575.42 and 88,118.42 is: 132,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317.61 : 189,575.42 = 88,118.42 : x
  2. Step 2: Convert to fraction form
    126,317.61/189,575.42 = 88,118.42/x
  3. Step 3: Cross multiply
    126,317.61x = 189,575.42 × 88,118.42
  4. Step 4: Simplify right side
    126,317.61x = 16,705,086,481.24
  5. Step 5: Solve for x
    x = 16,705,086,481.24/126,317.61
  6. Step 6: Final answer
    x = 132,246.70

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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.