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Finding the Fourth Proportional to 178,346.33, 267,441.69 and 67,460.57

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Solution

The fourth proportional to 178,346.33, 267,441.69 and 67,460.57 is: 101,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,346.33 : 267,441.69 = 67,460.57 : x
  2. Step 2: Convert to fraction form
    178,346.33/267,441.69 = 67,460.57/x
  3. Step 3: Cross multiply
    178,346.33x = 267,441.69 × 67,460.57
  4. Step 4: Simplify right side
    178,346.33x = 18,041,768,849.16
  5. Step 5: Solve for x
    x = 18,041,768,849.16/178,346.33
  6. Step 6: Final answer
    x = 101,161.42

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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.