Home / 239,949.24-331,086.60-137,950.80

Finding the Fourth Proportional to 239,949.24, 331,086.60 and 137,950.80

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Solution

The fourth proportional to 239,949.24, 331,086.60 and 137,950.80 is: 190,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,949.24 : 331,086.60 = 137,950.80 : x
  2. Step 2: Convert to fraction form
    239,949.24/331,086.60 = 137,950.80/x
  3. Step 3: Cross multiply
    239,949.24x = 331,086.60 × 137,950.80
  4. Step 4: Simplify right side
    239,949.24x = 45,673,661,339.28
  5. Step 5: Solve for x
    x = 45,673,661,339.28/239,949.24
  6. Step 6: Final answer
    x = 190,347.18

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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.