Home / 172,247.15-258,354.02-52,305.14

Finding the Fourth Proportional to 172,247.15, 258,354.02 and 52,305.14

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Solution

The fourth proportional to 172,247.15, 258,354.02 and 52,305.14 is: 78,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,247.15 : 258,354.02 = 52,305.14 : x
  2. Step 2: Convert to fraction form
    172,247.15/258,354.02 = 52,305.14/x
  3. Step 3: Cross multiply
    172,247.15x = 258,354.02 × 52,305.14
  4. Step 4: Simplify right side
    172,247.15x = 13,513,243,185.66
  5. Step 5: Solve for x
    x = 13,513,243,185.66/172,247.15
  6. Step 6: Final answer
    x = 78,452.64

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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.