Home / 185,635.13-278,458.16-45,393.75

Finding the Fourth Proportional to 185,635.13, 278,458.16 and 45,393.75

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Solution

The fourth proportional to 185,635.13, 278,458.16 and 45,393.75 is: 68,091.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,635.13 : 278,458.16 = 45,393.75 : x
  2. Step 2: Convert to fraction form
    185,635.13/278,458.16 = 45,393.75/x
  3. Step 3: Cross multiply
    185,635.13x = 278,458.16 × 45,393.75
  4. Step 4: Simplify right side
    185,635.13x = 12,640,259,873.53
  5. Step 5: Solve for x
    x = 12,640,259,873.53/185,635.13
  6. Step 6: Final answer
    x = 68,091.96

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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.