Home / 130,393.89-195,240.42-82,751.04

Finding the Fourth Proportional to 130,393.89, 195,240.42 and 82,751.04

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Solution

The fourth proportional to 130,393.89, 195,240.42 and 82,751.04 is: 123,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,393.89 : 195,240.42 = 82,751.04 : x
  2. Step 2: Convert to fraction form
    130,393.89/195,240.42 = 82,751.04/x
  3. Step 3: Cross multiply
    130,393.89x = 195,240.42 × 82,751.04
  4. Step 4: Simplify right side
    130,393.89x = 16,156,347,805.04
  5. Step 5: Solve for x
    x = 16,156,347,805.04/130,393.89
  6. Step 6: Final answer
    x = 123,904.18

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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.