Home / 185,921.04-278,944.74-67,601.88

Finding the Fourth Proportional to 185,921.04, 278,944.74 and 67,601.88

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Solution

The fourth proportional to 185,921.04, 278,944.74 and 67,601.88 is: 101,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,921.04 : 278,944.74 = 67,601.88 : x
  2. Step 2: Convert to fraction form
    185,921.04/278,944.74 = 67,601.88/x
  3. Step 3: Cross multiply
    185,921.04x = 278,944.74 × 67,601.88
  4. Step 4: Simplify right side
    185,921.04x = 18,857,188,840.11
  5. Step 5: Solve for x
    x = 18,857,188,840.11/185,921.04
  6. Step 6: Final answer
    x = 101,425.79

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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.