Home / 239,401.72-330,376.68-131,975.60

Finding the Fourth Proportional to 239,401.72, 330,376.68 and 131,975.60

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Solution

The fourth proportional to 239,401.72, 330,376.68 and 131,975.60 is: 182,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,401.72 : 330,376.68 = 131,975.60 : x
  2. Step 2: Convert to fraction form
    239,401.72/330,376.68 = 131,975.60/x
  3. Step 3: Cross multiply
    239,401.72x = 330,376.68 × 131,975.60
  4. Step 4: Simplify right side
    239,401.72x = 43,601,659,909.13
  5. Step 5: Solve for x
    x = 43,601,659,909.13/239,401.72
  6. Step 6: Final answer
    x = 182,127.60

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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.