Home / 126,331.62-189,596.43-88,132.47

Finding the Fourth Proportional to 126,331.62, 189,596.43 and 88,132.47

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Solution

The fourth proportional to 126,331.62, 189,596.43 and 88,132.47 is: 132,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,331.62 : 189,596.43 = 88,132.47 : x
  2. Step 2: Convert to fraction form
    126,331.62/189,596.43 = 88,132.47/x
  3. Step 3: Cross multiply
    126,331.62x = 189,596.43 × 88,132.47
  4. Step 4: Simplify right side
    126,331.62x = 16,709,601,679.08
  5. Step 5: Solve for x
    x = 16,709,601,679.08/126,331.62
  6. Step 6: Final answer
    x = 132,267.77

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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.