Home / 185,786.60-278,766.30-97,140.20

Finding the Fourth Proportional to 185,786.60, 278,766.30 and 97,140.20

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Solution

The fourth proportional to 185,786.60, 278,766.30 and 97,140.20 is: 145,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,786.60 : 278,766.30 = 97,140.20 : x
  2. Step 2: Convert to fraction form
    185,786.60/278,766.30 = 97,140.20/x
  3. Step 3: Cross multiply
    185,786.60x = 278,766.30 × 97,140.20
  4. Step 4: Simplify right side
    185,786.60x = 27,079,414,135.26
  5. Step 5: Solve for x
    x = 27,079,414,135.26/185,786.60
  6. Step 6: Final answer
    x = 145,755.48

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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.