Home / 126,982.78-175,226.78-69,612.92

Finding the Fourth Proportional to 126,982.78, 175,226.78 and 69,612.92

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Solution

The fourth proportional to 126,982.78, 175,226.78 and 69,612.92 is: 96,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,982.78 : 175,226.78 = 69,612.92 : x
  2. Step 2: Convert to fraction form
    126,982.78/175,226.78 = 69,612.92/x
  3. Step 3: Cross multiply
    126,982.78x = 175,226.78 × 69,612.92
  4. Step 4: Simplify right side
    126,982.78x = 12,198,047,818.00
  5. Step 5: Solve for x
    x = 12,198,047,818.00/126,982.78
  6. Step 6: Final answer
    x = 96,060.65

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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.