Home / 141,586.20-195,366.52-81,145.20

Finding the Fourth Proportional to 141,586.20, 195,366.52 and 81,145.20

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Solution

The fourth proportional to 141,586.20, 195,366.52 and 81,145.20 is: 111,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,586.20 : 195,366.52 = 81,145.20 : x
  2. Step 2: Convert to fraction form
    141,586.20/195,366.52 = 81,145.20/x
  3. Step 3: Cross multiply
    141,586.20x = 195,366.52 × 81,145.20
  4. Step 4: Simplify right side
    141,586.20x = 15,853,055,338.70
  5. Step 5: Solve for x
    x = 15,853,055,338.70/141,586.20
  6. Step 6: Final answer
    x = 111,967.52

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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.