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Finding the Fourth Proportional to 178,473.60, 267,692.18 and 60,145.97

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Solution

The fourth proportional to 178,473.60, 267,692.18 and 60,145.97 is: 90,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,473.60 : 267,692.18 = 60,145.97 : x
  2. Step 2: Convert to fraction form
    178,473.60/267,692.18 = 60,145.97/x
  3. Step 3: Cross multiply
    178,473.60x = 267,692.18 × 60,145.97
  4. Step 4: Simplify right side
    178,473.60x = 16,100,604,188.32
  5. Step 5: Solve for x
    x = 16,100,604,188.32/178,473.60
  6. Step 6: Final answer
    x = 90,212.81

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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.