Home / 239,969.20-360,002.40-82,213.60

Finding the Fourth Proportional to 239,969.20, 360,002.40 and 82,213.60

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Solution

The fourth proportional to 239,969.20, 360,002.40 and 82,213.60 is: 123,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,969.20 : 360,002.40 = 82,213.60 : x
  2. Step 2: Convert to fraction form
    239,969.20/360,002.40 = 82,213.60/x
  3. Step 3: Cross multiply
    239,969.20x = 360,002.40 × 82,213.60
  4. Step 4: Simplify right side
    239,969.20x = 29,597,093,312.64
  5. Step 5: Solve for x
    x = 29,597,093,312.64/239,969.20
  6. Step 6: Final answer
    x = 123,337.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.