Home / 178,799.13-268,199.10-66,503.97

Finding the Fourth Proportional to 178,799.13, 268,199.10 and 66,503.97

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Solution

The fourth proportional to 178,799.13, 268,199.10 and 66,503.97 is: 99,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,799.13 : 268,199.10 = 66,503.97 : x
  2. Step 2: Convert to fraction form
    178,799.13/268,199.10 = 66,503.97/x
  3. Step 3: Cross multiply
    178,799.13x = 268,199.10 × 66,503.97
  4. Step 4: Simplify right side
    178,799.13x = 17,836,304,900.43
  5. Step 5: Solve for x
    x = 17,836,304,900.43/178,799.13
  6. Step 6: Final answer
    x = 99,756.11

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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.