Home / 126,267.44-174,091.52-80,870.88

Finding the Fourth Proportional to 126,267.44, 174,091.52 and 80,870.88

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Solution

The fourth proportional to 126,267.44, 174,091.52 and 80,870.88 is: 111,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,267.44 : 174,091.52 = 80,870.88 : x
  2. Step 2: Convert to fraction form
    126,267.44/174,091.52 = 80,870.88/x
  3. Step 3: Cross multiply
    126,267.44x = 174,091.52 × 80,870.88
  4. Step 4: Simplify right side
    126,267.44x = 14,078,934,422.94
  5. Step 5: Solve for x
    x = 14,078,934,422.94/126,267.44
  6. Step 6: Final answer
    x = 111,500.91

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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.