Home / 129,831.66-179,176.05-73,241.82

Finding the Fourth Proportional to 129,831.66, 179,176.05 and 73,241.82

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Solution

The fourth proportional to 129,831.66, 179,176.05 and 73,241.82 is: 101,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,831.66 : 179,176.05 = 73,241.82 : x
  2. Step 2: Convert to fraction form
    129,831.66/179,176.05 = 73,241.82/x
  3. Step 3: Cross multiply
    129,831.66x = 179,176.05 × 73,241.82
  4. Step 4: Simplify right side
    129,831.66x = 13,123,180,002.41
  5. Step 5: Solve for x
    x = 13,123,180,002.41/129,831.66
  6. Step 6: Final answer
    x = 101,078.43

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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.