Home / 130,279.59-195,359.24-55,359.80

Finding the Fourth Proportional to 130,279.59, 195,359.24 and 55,359.80

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Solution

The fourth proportional to 130,279.59, 195,359.24 and 55,359.80 is: 83,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,279.59 : 195,359.24 = 55,359.80 : x
  2. Step 2: Convert to fraction form
    130,279.59/195,359.24 = 55,359.80/x
  3. Step 3: Cross multiply
    130,279.59x = 195,359.24 × 55,359.80
  4. Step 4: Simplify right side
    130,279.59x = 10,815,049,447.65
  5. Step 5: Solve for x
    x = 10,815,049,447.65/130,279.59
  6. Step 6: Final answer
    x = 83,014.15

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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.