Home / 239,419.25-330,401.11-131,993.13

Finding the Fourth Proportional to 239,419.25, 330,401.11 and 131,993.13

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Solution

The fourth proportional to 239,419.25, 330,401.11 and 131,993.13 is: 182,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,419.25 : 330,401.11 = 131,993.13 : x
  2. Step 2: Convert to fraction form
    239,419.25/330,401.11 = 131,993.13/x
  3. Step 3: Cross multiply
    239,419.25x = 330,401.11 × 131,993.13
  4. Step 4: Simplify right side
    239,419.25x = 43,610,675,962.38
  5. Step 5: Solve for x
    x = 43,610,675,962.38/239,419.25
  6. Step 6: Final answer
    x = 182,151.92

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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.