Home / 121,286.20-181,929.30-37,046.20

Finding the Fourth Proportional to 121,286.20, 181,929.30 and 37,046.20

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Solution

The fourth proportional to 121,286.20, 181,929.30 and 37,046.20 is: 55,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,286.20 : 181,929.30 = 37,046.20 : x
  2. Step 2: Convert to fraction form
    121,286.20/181,929.30 = 37,046.20/x
  3. Step 3: Cross multiply
    121,286.20x = 181,929.30 × 37,046.20
  4. Step 4: Simplify right side
    121,286.20x = 6,739,789,233.66
  5. Step 5: Solve for x
    x = 6,739,789,233.66/121,286.20
  6. Step 6: Final answer
    x = 55,569.30

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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.