Home / 252,932.90-349,043.18-138,209.02

Finding the Fourth Proportional to 252,932.90, 349,043.18 and 138,209.02

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Solution

The fourth proportional to 252,932.90, 349,043.18 and 138,209.02 is: 190,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,932.90 : 349,043.18 = 138,209.02 : x
  2. Step 2: Convert to fraction form
    252,932.90/349,043.18 = 138,209.02/x
  3. Step 3: Cross multiply
    252,932.90x = 349,043.18 × 138,209.02
  4. Step 4: Simplify right side
    252,932.90x = 48,240,916,191.01
  5. Step 5: Solve for x
    x = 48,240,916,191.01/252,932.90
  6. Step 6: Final answer
    x = 190,726.14

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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.