Home / 130,489.55-195,731.48-41,742.78

Finding the Fourth Proportional to 130,489.55, 195,731.48 and 41,742.78

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Solution

The fourth proportional to 130,489.55, 195,731.48 and 41,742.78 is: 62,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,489.55 : 195,731.48 = 41,742.78 : x
  2. Step 2: Convert to fraction form
    130,489.55/195,731.48 = 41,742.78/x
  3. Step 3: Cross multiply
    130,489.55x = 195,731.48 × 41,742.78
  4. Step 4: Simplify right side
    130,489.55x = 8,170,375,900.00
  5. Step 5: Solve for x
    x = 8,170,375,900.00/130,489.55
  6. Step 6: Final answer
    x = 62,613.26

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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.