Home / 148,930.20-223,395.30-65,986.20

Finding the Fourth Proportional to 148,930.20, 223,395.30 and 65,986.20

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Solution

The fourth proportional to 148,930.20, 223,395.30 and 65,986.20 is: 98,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,930.20 : 223,395.30 = 65,986.20 : x
  2. Step 2: Convert to fraction form
    148,930.20/223,395.30 = 65,986.20/x
  3. Step 3: Cross multiply
    148,930.20x = 223,395.30 × 65,986.20
  4. Step 4: Simplify right side
    148,930.20x = 14,741,006,944.86
  5. Step 5: Solve for x
    x = 14,741,006,944.86/148,930.20
  6. Step 6: Final answer
    x = 98,979.30

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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.