Home / 138,144.06-207,149.13-63,241.74

Finding the Fourth Proportional to 138,144.06, 207,149.13 and 63,241.74

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Solution

The fourth proportional to 138,144.06, 207,149.13 and 63,241.74 is: 94,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,144.06 : 207,149.13 = 63,241.74 : x
  2. Step 2: Convert to fraction form
    138,144.06/207,149.13 = 63,241.74/x
  3. Step 3: Cross multiply
    138,144.06x = 207,149.13 × 63,241.74
  4. Step 4: Simplify right side
    138,144.06x = 13,100,471,420.69
  5. Step 5: Solve for x
    x = 13,100,471,420.69/138,144.06
  6. Step 6: Final answer
    x = 94,831.96

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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.