Home / 126,255.65-189,377.31-47,363.72

Finding the Fourth Proportional to 126,255.65, 189,377.31 and 47,363.72

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Solution

The fourth proportional to 126,255.65, 189,377.31 and 47,363.72 is: 71,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,255.65 : 189,377.31 = 47,363.72 : x
  2. Step 2: Convert to fraction form
    126,255.65/189,377.31 = 47,363.72/x
  3. Step 3: Cross multiply
    126,255.65x = 189,377.31 × 47,363.72
  4. Step 4: Simplify right side
    126,255.65x = 8,969,612,938.31
  5. Step 5: Solve for x
    x = 8,969,612,938.31/126,255.65
  6. Step 6: Final answer
    x = 71,043.26

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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.