Home / 178,888.91-268,331.48-45,768.11

Finding the Fourth Proportional to 178,888.91, 268,331.48 and 45,768.11

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Solution

The fourth proportional to 178,888.91, 268,331.48 and 45,768.11 is: 68,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,888.91 : 268,331.48 = 45,768.11 : x
  2. Step 2: Convert to fraction form
    178,888.91/268,331.48 = 45,768.11/x
  3. Step 3: Cross multiply
    178,888.91x = 268,331.48 × 45,768.11
  4. Step 4: Simplify right side
    178,888.91x = 12,281,025,135.09
  5. Step 5: Solve for x
    x = 12,281,025,135.09/178,888.91
  6. Step 6: Final answer
    x = 68,651.68

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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.