Home / 252,933.40-349,043.87-138,209.52

Finding the Fourth Proportional to 252,933.40, 349,043.87 and 138,209.52

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Solution

The fourth proportional to 252,933.40, 349,043.87 and 138,209.52 is: 190,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,933.40 : 349,043.87 = 138,209.52 : x
  2. Step 2: Convert to fraction form
    252,933.40/349,043.87 = 138,209.52/x
  3. Step 3: Cross multiply
    252,933.40x = 349,043.87 × 138,209.52
  4. Step 4: Simplify right side
    252,933.40x = 48,241,186,077.17
  5. Step 5: Solve for x
    x = 48,241,186,077.17/252,933.40
  6. Step 6: Final answer
    x = 190,726.83

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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.