Home / 121,180.30-181,764.08-36,938.43

Finding the Fourth Proportional to 121,180.30, 181,764.08 and 36,938.43

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Solution

The fourth proportional to 121,180.30, 181,764.08 and 36,938.43 is: 55,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,180.30 : 181,764.08 = 36,938.43 : x
  2. Step 2: Convert to fraction form
    121,180.30/181,764.08 = 36,938.43/x
  3. Step 3: Cross multiply
    121,180.30x = 181,764.08 × 36,938.43
  4. Step 4: Simplify right side
    121,180.30x = 6,714,079,595.53
  5. Step 5: Solve for x
    x = 6,714,079,595.53/121,180.30
  6. Step 6: Final answer
    x = 55,405.70

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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.