Home / 126,876.29-175,087.34-69,515.15

Finding the Fourth Proportional to 126,876.29, 175,087.34 and 69,515.15

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Solution

The fourth proportional to 126,876.29, 175,087.34 and 69,515.15 is: 95,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,876.29 : 175,087.34 = 69,515.15 : x
  2. Step 2: Convert to fraction form
    126,876.29/175,087.34 = 69,515.15/x
  3. Step 3: Cross multiply
    126,876.29x = 175,087.34 × 69,515.15
  4. Step 4: Simplify right side
    126,876.29x = 12,171,221,917.91
  5. Step 5: Solve for x
    x = 12,171,221,917.91/126,876.29
  6. Step 6: Final answer
    x = 95,929.84

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1.5x scale

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.