Home / 232,121.28-347,715.36-121,080

Finding the Fourth Proportional to 232,121.28, 347,715.36 and 121,080

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Solution

The fourth proportional to 232,121.28, 347,715.36 and 121,080 is: 181,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,121.28 : 347,715.36 = 121,080 : x
  2. Step 2: Convert to fraction form
    232,121.28/347,715.36 = 121,080/x
  3. Step 3: Cross multiply
    232,121.28x = 347,715.36 × 121,080
  4. Step 4: Simplify right side
    232,121.28x = 42,101,375,788.80
  5. Step 5: Solve for x
    x = 42,101,375,788.80/232,121.28
  6. Step 6: Final answer
    x = 181,376.63

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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.