Home / 240,319.65-331,646.79-132,891.78

Finding the Fourth Proportional to 240,319.65, 331,646.79 and 132,891.78

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Solution

The fourth proportional to 240,319.65, 331,646.79 and 132,891.78 is: 183,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,319.65 : 331,646.79 = 132,891.78 : x
  2. Step 2: Convert to fraction form
    240,319.65/331,646.79 = 132,891.78/x
  3. Step 3: Cross multiply
    240,319.65x = 331,646.79 × 132,891.78
  4. Step 4: Simplify right side
    240,319.65x = 44,073,132,254.39
  5. Step 5: Solve for x
    x = 44,073,132,254.39/240,319.65
  6. Step 6: Final answer
    x = 183,393.79

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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.