Home / 172,505.10-258,514.65-137,027.10

Finding the Fourth Proportional to 172,505.10, 258,514.65 and 137,027.10

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Solution

The fourth proportional to 172,505.10, 258,514.65 and 137,027.10 is: 205,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,505.10 : 258,514.65 = 137,027.10 : x
  2. Step 2: Convert to fraction form
    172,505.10/258,514.65 = 137,027.10/x
  3. Step 3: Cross multiply
    172,505.10x = 258,514.65 × 137,027.10
  4. Step 4: Simplify right side
    172,505.10x = 35,423,512,797.02
  5. Step 5: Solve for x
    x = 35,423,512,797.02/172,505.10
  6. Step 6: Final answer
    x = 205,347.63

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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.