Home / 239,859.12-331,003.44-132,426.84

Finding the Fourth Proportional to 239,859.12, 331,003.44 and 132,426.84

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Solution

The fourth proportional to 239,859.12, 331,003.44 and 132,426.84 is: 182,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,859.12 : 331,003.44 = 132,426.84 : x
  2. Step 2: Convert to fraction form
    239,859.12/331,003.44 = 132,426.84/x
  3. Step 3: Cross multiply
    239,859.12x = 331,003.44 × 132,426.84
  4. Step 4: Simplify right side
    239,859.12x = 43,833,739,588.33
  5. Step 5: Solve for x
    x = 43,833,739,588.33/239,859.12
  6. Step 6: Final answer
    x = 182,747.85

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1.5x scale

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.