Home / 239,420.25-330,402.49-131,994.13

Finding the Fourth Proportional to 239,420.25, 330,402.49 and 131,994.13

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Solution

The fourth proportional to 239,420.25, 330,402.49 and 131,994.13 is: 182,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,420.25 : 330,402.49 = 131,994.13 : x
  2. Step 2: Convert to fraction form
    239,420.25/330,402.49 = 131,994.13/x
  3. Step 3: Cross multiply
    239,420.25x = 330,402.49 × 131,994.13
  4. Step 4: Simplify right side
    239,420.25x = 43,611,189,217.38
  5. Step 5: Solve for x
    x = 43,611,189,217.38/239,420.25
  6. Step 6: Final answer
    x = 182,153.30

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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.