Home / 127,626.02-191,418-47,642.97

Finding the Fourth Proportional to 127,626.02, 191,418 and 47,642.97

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Solution

The fourth proportional to 127,626.02, 191,418 and 47,642.97 is: 71,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626.02 : 191,418 = 47,642.97 : x
  2. Step 2: Convert to fraction form
    127,626.02/191,418 = 47,642.97/x
  3. Step 3: Cross multiply
    127,626.02x = 191,418 × 47,642.97
  4. Step 4: Simplify right side
    127,626.02x = 9,119,722,031.46
  5. Step 5: Solve for x
    x = 9,119,722,031.46/127,626.02
  6. Step 6: Final answer
    x = 71,456.61

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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.