Home / 126,057.30-173,946.72-75,059.90

Finding the Fourth Proportional to 126,057.30, 173,946.72 and 75,059.90

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Solution

The fourth proportional to 126,057.30, 173,946.72 and 75,059.90 is: 103,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,057.30 : 173,946.72 = 75,059.90 : x
  2. Step 2: Convert to fraction form
    126,057.30/173,946.72 = 75,059.90/x
  3. Step 3: Cross multiply
    126,057.30x = 173,946.72 × 75,059.90
  4. Step 4: Simplify right side
    126,057.30x = 13,056,423,472.57
  5. Step 5: Solve for x
    x = 13,056,423,472.57/126,057.30
  6. Step 6: Final answer
    x = 103,575.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.