Home / 239,940.12-359,515.26-82,082.28

Finding the Fourth Proportional to 239,940.12, 359,515.26 and 82,082.28

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Solution

The fourth proportional to 239,940.12, 359,515.26 and 82,082.28 is: 122,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,940.12 : 359,515.26 = 82,082.28 : x
  2. Step 2: Convert to fraction form
    239,940.12/359,515.26 = 82,082.28/x
  3. Step 3: Cross multiply
    239,940.12x = 359,515.26 × 82,082.28
  4. Step 4: Simplify right side
    239,940.12x = 29,509,832,235.59
  5. Step 5: Solve for x
    x = 29,509,832,235.59/239,940.12
  6. Step 6: Final answer
    x = 122,988.32

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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.