Home / 194,253.02-268,065.11-108,211.88

Finding the Fourth Proportional to 194,253.02, 268,065.11 and 108,211.88

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Solution

The fourth proportional to 194,253.02, 268,065.11 and 108,211.88 is: 149,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,253.02 : 268,065.11 = 108,211.88 : x
  2. Step 2: Convert to fraction form
    194,253.02/268,065.11 = 108,211.88/x
  3. Step 3: Cross multiply
    194,253.02x = 268,065.11 × 108,211.88
  4. Step 4: Simplify right side
    194,253.02x = 29,007,830,456.20
  5. Step 5: Solve for x
    x = 29,007,830,456.20/194,253.02
  6. Step 6: Final answer
    x = 149,330.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.