Home / 130,589.60-195,876.18-77,959.44

Finding the Fourth Proportional to 130,589.60, 195,876.18 and 77,959.44

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Solution

The fourth proportional to 130,589.60, 195,876.18 and 77,959.44 is: 116,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,589.60 : 195,876.18 = 77,959.44 : x
  2. Step 2: Convert to fraction form
    130,589.60/195,876.18 = 77,959.44/x
  3. Step 3: Cross multiply
    130,589.60x = 195,876.18 × 77,959.44
  4. Step 4: Simplify right side
    130,589.60x = 15,270,397,302.14
  5. Step 5: Solve for x
    x = 15,270,397,302.14/130,589.60
  6. Step 6: Final answer
    x = 116,934.25

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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.