Home / 239,391.24-330,344.91-131,962.20

Finding the Fourth Proportional to 239,391.24, 330,344.91 and 131,962.20

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Solution

The fourth proportional to 239,391.24, 330,344.91 and 131,962.20 is: 182,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,391.24 : 330,344.91 = 131,962.20 : x
  2. Step 2: Convert to fraction form
    239,391.24/330,344.91 = 131,962.20/x
  3. Step 3: Cross multiply
    239,391.24x = 330,344.91 × 131,962.20
  4. Step 4: Simplify right side
    239,391.24x = 43,593,041,082.40
  5. Step 5: Solve for x
    x = 43,593,041,082.40/239,391.24
  6. Step 6: Final answer
    x = 182,099.57

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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.