Home / 155,230.20-232,650.50-66,379.24

Finding the Fourth Proportional to 155,230.20, 232,650.50 and 66,379.24

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Solution

The fourth proportional to 155,230.20, 232,650.50 and 66,379.24 is: 99,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,230.20 : 232,650.50 = 66,379.24 : x
  2. Step 2: Convert to fraction form
    155,230.20/232,650.50 = 66,379.24/x
  3. Step 3: Cross multiply
    155,230.20x = 232,650.50 × 66,379.24
  4. Step 4: Simplify right side
    155,230.20x = 15,443,163,375.62
  5. Step 5: Solve for x
    x = 15,443,163,375.62/155,230.20
  6. Step 6: Final answer
    x = 99,485.56

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1.5x scale

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.