Home / 234,685.12-323,780.60-154,156

Finding the Fourth Proportional to 234,685.12, 323,780.60 and 154,156

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Solution

The fourth proportional to 234,685.12, 323,780.60 and 154,156 is: 212,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,685.12 : 323,780.60 = 154,156 : x
  2. Step 2: Convert to fraction form
    234,685.12/323,780.60 = 154,156/x
  3. Step 3: Cross multiply
    234,685.12x = 323,780.60 × 154,156
  4. Step 4: Simplify right side
    234,685.12x = 49,912,722,173.60
  5. Step 5: Solve for x
    x = 49,912,722,173.60/234,685.12
  6. Step 6: Final answer
    x = 212,679.53

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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.