Home / 178,733.86-268,100.56-45,614.12

Finding the Fourth Proportional to 178,733.86, 268,100.56 and 45,614.12

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Solution

The fourth proportional to 178,733.86, 268,100.56 and 45,614.12 is: 68,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,733.86 : 268,100.56 = 45,614.12 : x
  2. Step 2: Convert to fraction form
    178,733.86/268,100.56 = 45,614.12/x
  3. Step 3: Cross multiply
    178,733.86x = 268,100.56 × 45,614.12
  4. Step 4: Simplify right side
    178,733.86x = 12,229,171,083.91
  5. Step 5: Solve for x
    x = 12,229,171,083.91/178,733.86
  6. Step 6: Final answer
    x = 68,421.12

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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.