Home / 185,473.56-278,258.94-80,267.88

Finding the Fourth Proportional to 185,473.56, 278,258.94 and 80,267.88

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Solution

The fourth proportional to 185,473.56, 278,258.94 and 80,267.88 is: 120,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,473.56 : 278,258.94 = 80,267.88 : x
  2. Step 2: Convert to fraction form
    185,473.56/278,258.94 = 80,267.88/x
  3. Step 3: Cross multiply
    185,473.56x = 278,258.94 × 80,267.88
  4. Step 4: Simplify right side
    185,473.56x = 22,335,255,204.85
  5. Step 5: Solve for x
    x = 22,335,255,204.85/185,473.56
  6. Step 6: Final answer
    x = 120,422.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.