Home / 130,481.28-195,721.11-36,987.03

Finding the Fourth Proportional to 130,481.28, 195,721.11 and 36,987.03

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Solution

The fourth proportional to 130,481.28, 195,721.11 and 36,987.03 is: 55,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,481.28 : 195,721.11 = 36,987.03 : x
  2. Step 2: Convert to fraction form
    130,481.28/195,721.11 = 36,987.03/x
  3. Step 3: Cross multiply
    130,481.28x = 195,721.11 × 36,987.03
  4. Step 4: Simplify right side
    130,481.28x = 7,239,142,567.20
  5. Step 5: Solve for x
    x = 7,239,142,567.20/130,481.28
  6. Step 6: Final answer
    x = 55,480.32

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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.