Home / 239,401.22-330,375.98-131,975.10

Finding the Fourth Proportional to 239,401.22, 330,375.98 and 131,975.10

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Solution

The fourth proportional to 239,401.22, 330,375.98 and 131,975.10 is: 182,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,401.22 : 330,375.98 = 131,975.10 : x
  2. Step 2: Convert to fraction form
    239,401.22/330,375.98 = 131,975.10/x
  3. Step 3: Cross multiply
    239,401.22x = 330,375.98 × 131,975.10
  4. Step 4: Simplify right side
    239,401.22x = 43,601,403,328.04
  5. Step 5: Solve for x
    x = 43,601,403,328.04/239,401.22
  6. Step 6: Final answer
    x = 182,126.91

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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.