Home / 126,502.55-189,689.34-42,232.43

Finding the Fourth Proportional to 126,502.55, 189,689.34 and 42,232.43

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Solution

The fourth proportional to 126,502.55, 189,689.34 and 42,232.43 is: 63,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,502.55 : 189,689.34 = 42,232.43 : x
  2. Step 2: Convert to fraction form
    126,502.55/189,689.34 = 42,232.43/x
  3. Step 3: Cross multiply
    126,502.55x = 189,689.34 × 42,232.43
  4. Step 4: Simplify right side
    126,502.55x = 8,011,040,824.85
  5. Step 5: Solve for x
    x = 8,011,040,824.85/126,502.55
  6. Step 6: Final answer
    x = 63,327.11

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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.