Home / 178,679.20-268,017.12-54,020.16

Finding the Fourth Proportional to 178,679.20, 268,017.12 and 54,020.16

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Solution

The fourth proportional to 178,679.20, 268,017.12 and 54,020.16 is: 81,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,679.20 : 268,017.12 = 54,020.16 : x
  2. Step 2: Convert to fraction form
    178,679.20/268,017.12 = 54,020.16/x
  3. Step 3: Cross multiply
    178,679.20x = 268,017.12 × 54,020.16
  4. Step 4: Simplify right side
    178,679.20x = 14,478,327,705.14
  5. Step 5: Solve for x
    x = 14,478,327,705.14/178,679.20
  6. Step 6: Final answer
    x = 81,029.73

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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.