Home / 456,726.20-685,089.30-119,766.20

Finding the Fourth Proportional to 456,726.20, 685,089.30 and 119,766.20

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Solution

The fourth proportional to 456,726.20, 685,089.30 and 119,766.20 is: 179,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,726.20 : 685,089.30 = 119,766.20 : x
  2. Step 2: Convert to fraction form
    456,726.20/685,089.30 = 119,766.20/x
  3. Step 3: Cross multiply
    456,726.20x = 685,089.30 × 119,766.20
  4. Step 4: Simplify right side
    456,726.20x = 82,050,542,121.66
  5. Step 5: Solve for x
    x = 82,050,542,121.66/456,726.20
  6. Step 6: Final answer
    x = 179,649.30

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Similar ratio
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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.