Home / 140,192.52-209,215.92-125,233.44

Finding the Fourth Proportional to 140,192.52, 209,215.92 and 125,233.44

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Solution

The fourth proportional to 140,192.52, 209,215.92 and 125,233.44 is: 186,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,192.52 : 209,215.92 = 125,233.44 : x
  2. Step 2: Convert to fraction form
    140,192.52/209,215.92 = 125,233.44/x
  3. Step 3: Cross multiply
    140,192.52x = 209,215.92 × 125,233.44
  4. Step 4: Simplify right side
    140,192.52x = 26,200,829,364.36
  5. Step 5: Solve for x
    x = 26,200,829,364.36/140,192.52
  6. Step 6: Final answer
    x = 186,891.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.