Home / 240,118.28-331,383.18-132,709.28

Finding the Fourth Proportional to 240,118.28, 331,383.18 and 132,709.28

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Solution

The fourth proportional to 240,118.28, 331,383.18 and 132,709.28 is: 183,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,118.28 : 331,383.18 = 132,709.28 : x
  2. Step 2: Convert to fraction form
    240,118.28/331,383.18 = 132,709.28/x
  3. Step 3: Cross multiply
    240,118.28x = 331,383.18 × 132,709.28
  4. Step 4: Simplify right side
    240,118.28x = 43,977,623,221.91
  5. Step 5: Solve for x
    x = 43,977,623,221.91/240,118.28
  6. Step 6: Final answer
    x = 183,149.83

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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.