Home / 126,073.53-173,981.52-68,712.87

Finding the Fourth Proportional to 126,073.53, 173,981.52 and 68,712.87

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Solution

The fourth proportional to 126,073.53, 173,981.52 and 68,712.87 is: 94,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,073.53 : 173,981.52 = 68,712.87 : x
  2. Step 2: Convert to fraction form
    126,073.53/173,981.52 = 68,712.87/x
  3. Step 3: Cross multiply
    126,073.53x = 173,981.52 × 68,712.87
  4. Step 4: Simplify right side
    126,073.53x = 11,954,769,566.16
  5. Step 5: Solve for x
    x = 11,954,769,566.16/126,073.53
  6. Step 6: Final answer
    x = 94,823.79

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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.