Home / 251,932.29-347,650.65-138,755.04

Finding the Fourth Proportional to 251,932.29, 347,650.65 and 138,755.04

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Solution

The fourth proportional to 251,932.29, 347,650.65 and 138,755.04 is: 191,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,932.29 : 347,650.65 = 138,755.04 : x
  2. Step 2: Convert to fraction form
    251,932.29/347,650.65 = 138,755.04/x
  3. Step 3: Cross multiply
    251,932.29x = 347,650.65 × 138,755.04
  4. Step 4: Simplify right side
    251,932.29x = 48,238,279,846.78
  5. Step 5: Solve for x
    x = 48,238,279,846.78/251,932.29
  6. Step 6: Final answer
    x = 191,473.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.