Home / 130,081.20-195,121.80-95,089.20

Finding the Fourth Proportional to 130,081.20, 195,121.80 and 95,089.20

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Solution

The fourth proportional to 130,081.20, 195,121.80 and 95,089.20 is: 142,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,081.20 : 195,121.80 = 95,089.20 : x
  2. Step 2: Convert to fraction form
    130,081.20/195,121.80 = 95,089.20/x
  3. Step 3: Cross multiply
    130,081.20x = 195,121.80 × 95,089.20
  4. Step 4: Simplify right side
    130,081.20x = 18,553,975,864.56
  5. Step 5: Solve for x
    x = 18,553,975,864.56/130,081.20
  6. Step 6: Final answer
    x = 142,633.80

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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.