Home / 126,059.92-173,948.02-76,976.86

Finding the Fourth Proportional to 126,059.92, 173,948.02 and 76,976.86

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Solution

The fourth proportional to 126,059.92, 173,948.02 and 76,976.86 is: 106,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,059.92 : 173,948.02 = 76,976.86 : x
  2. Step 2: Convert to fraction form
    126,059.92/173,948.02 = 76,976.86/x
  3. Step 3: Cross multiply
    126,059.92x = 173,948.02 × 76,976.86
  4. Step 4: Simplify right side
    126,059.92x = 13,389,972,382.82
  5. Step 5: Solve for x
    x = 13,389,972,382.82/126,059.92
  6. Step 6: Final answer
    x = 106,219.11

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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.