Home / 240,131.79-331,353.68-132,695.42

Finding the Fourth Proportional to 240,131.79, 331,353.68 and 132,695.42

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Solution

The fourth proportional to 240,131.79, 331,353.68 and 132,695.42 is: 183,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,131.79 : 331,353.68 = 132,695.42 : x
  2. Step 2: Convert to fraction form
    240,131.79/331,353.68 = 132,695.42/x
  3. Step 3: Cross multiply
    240,131.79x = 331,353.68 × 132,695.42
  4. Step 4: Simplify right side
    240,131.79x = 43,969,113,415.90
  5. Step 5: Solve for x
    x = 43,969,113,415.90/240,131.79
  6. Step 6: Final answer
    x = 183,104.09

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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.