Home / 178,839.60-268,162.20-73,669.20

Finding the Fourth Proportional to 178,839.60, 268,162.20 and 73,669.20

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Solution

The fourth proportional to 178,839.60, 268,162.20 and 73,669.20 is: 110,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,839.60 : 268,162.20 = 73,669.20 : x
  2. Step 2: Convert to fraction form
    178,839.60/268,162.20 = 73,669.20/x
  3. Step 3: Cross multiply
    178,839.60x = 268,162.20 × 73,669.20
  4. Step 4: Simplify right side
    178,839.60x = 19,755,294,744.24
  5. Step 5: Solve for x
    x = 19,755,294,744.24/178,839.60
  6. Step 6: Final answer
    x = 110,463.76

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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.