Home / 178,733.62-268,100.28-45,613.90

Finding the Fourth Proportional to 178,733.62, 268,100.28 and 45,613.90

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Solution

The fourth proportional to 178,733.62, 268,100.28 and 45,613.90 is: 68,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,733.62 : 268,100.28 = 45,613.90 : x
  2. Step 2: Convert to fraction form
    178,733.62/268,100.28 = 45,613.90/x
  3. Step 3: Cross multiply
    178,733.62x = 268,100.28 × 45,613.90
  4. Step 4: Simplify right side
    178,733.62x = 12,229,099,361.89
  5. Step 5: Solve for x
    x = 12,229,099,361.89/178,733.62
  6. Step 6: Final answer
    x = 68,420.81

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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.