Home / 123,242.12-184,863.24-34,508.72

Finding the Fourth Proportional to 123,242.12, 184,863.24 and 34,508.72

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Solution

The fourth proportional to 123,242.12, 184,863.24 and 34,508.72 is: 51,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,242.12 : 184,863.24 = 34,508.72 : x
  2. Step 2: Convert to fraction form
    123,242.12/184,863.24 = 34,508.72/x
  3. Step 3: Cross multiply
    123,242.12x = 184,863.24 × 34,508.72
  4. Step 4: Simplify right side
    123,242.12x = 6,379,393,787.45
  5. Step 5: Solve for x
    x = 6,379,393,787.45/123,242.12
  6. Step 6: Final answer
    x = 51,763.10

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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.