Home / 126,073.92-173,979.74-68,713.77

Finding the Fourth Proportional to 126,073.92, 173,979.74 and 68,713.77

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Solution

The fourth proportional to 126,073.92, 173,979.74 and 68,713.77 is: 94,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,073.92 : 173,979.74 = 68,713.77 : x
  2. Step 2: Convert to fraction form
    126,073.92/173,979.74 = 68,713.77/x
  3. Step 3: Cross multiply
    126,073.92x = 173,979.74 × 68,713.77
  4. Step 4: Simplify right side
    126,073.92x = 11,954,803,495.45
  5. Step 5: Solve for x
    x = 11,954,803,495.45/126,073.92
  6. Step 6: Final answer
    x = 94,823.76

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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.