Home / 172,247.12-258,353.98-52,305.11

Finding the Fourth Proportional to 172,247.12, 258,353.98 and 52,305.11

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Solution

The fourth proportional to 172,247.12, 258,353.98 and 52,305.11 is: 78,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,247.12 : 258,353.98 = 52,305.11 : x
  2. Step 2: Convert to fraction form
    172,247.12/258,353.98 = 52,305.11/x
  3. Step 3: Cross multiply
    172,247.12x = 258,353.98 × 52,305.11
  4. Step 4: Simplify right side
    172,247.12x = 13,513,233,857.96
  5. Step 5: Solve for x
    x = 13,513,233,857.96/172,247.12
  6. Step 6: Final answer
    x = 78,452.60

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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.