Home / 185,587.26-278,380.78-67,258.42

Finding the Fourth Proportional to 185,587.26, 278,380.78 and 67,258.42

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Solution

The fourth proportional to 185,587.26, 278,380.78 and 67,258.42 is: 100,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,587.26 : 278,380.78 = 67,258.42 : x
  2. Step 2: Convert to fraction form
    185,587.26/278,380.78 = 67,258.42/x
  3. Step 3: Cross multiply
    185,587.26x = 278,380.78 × 67,258.42
  4. Step 4: Simplify right side
    185,587.26x = 18,723,451,421.17
  5. Step 5: Solve for x
    x = 18,723,451,421.17/185,587.26
  6. Step 6: Final answer
    x = 100,887.59

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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.