Home / 220,951.90-331,573.15-121,182.13

Finding the Fourth Proportional to 220,951.90, 331,573.15 and 121,182.13

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Solution

The fourth proportional to 220,951.90, 331,573.15 and 121,182.13 is: 181,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,951.90 : 331,573.15 = 121,182.13 : x
  2. Step 2: Convert to fraction form
    220,951.90/331,573.15 = 121,182.13/x
  3. Step 3: Cross multiply
    220,951.90x = 331,573.15 × 121,182.13
  4. Step 4: Simplify right side
    220,951.90x = 40,180,738,587.01
  5. Step 5: Solve for x
    x = 40,180,738,587.01/220,951.90
  6. Step 6: Final answer
    x = 181,852.88

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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.