Home / 126,377.90-189,431.96-63,073.35

Finding the Fourth Proportional to 126,377.90, 189,431.96 and 63,073.35

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Solution

The fourth proportional to 126,377.90, 189,431.96 and 63,073.35 is: 94,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,377.90 : 189,431.96 = 63,073.35 : x
  2. Step 2: Convert to fraction form
    126,377.90/189,431.96 = 63,073.35/x
  3. Step 3: Cross multiply
    126,377.90x = 189,431.96 × 63,073.35
  4. Step 4: Simplify right side
    126,377.90x = 11,948,107,998.90
  5. Step 5: Solve for x
    x = 11,948,107,998.90/126,377.90
  6. Step 6: Final answer
    x = 94,542.70

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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.