Home / 126,883.28-175,087.56-70,279.76

Finding the Fourth Proportional to 126,883.28, 175,087.56 and 70,279.76

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Solution

The fourth proportional to 126,883.28, 175,087.56 and 70,279.76 is: 96,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,883.28 : 175,087.56 = 70,279.76 : x
  2. Step 2: Convert to fraction form
    126,883.28/175,087.56 = 70,279.76/x
  3. Step 3: Cross multiply
    126,883.28x = 175,087.56 × 70,279.76
  4. Step 4: Simplify right side
    126,883.28x = 12,305,111,695.79
  5. Step 5: Solve for x
    x = 12,305,111,695.79/126,883.28
  6. Step 6: Final answer
    x = 96,979.77

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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.