Home / 130,266.60-195,305.40-88,042.20

Finding the Fourth Proportional to 130,266.60, 195,305.40 and 88,042.20

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Solution

The fourth proportional to 130,266.60, 195,305.40 and 88,042.20 is: 131,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.60 : 195,305.40 = 88,042.20 : x
  2. Step 2: Convert to fraction form
    130,266.60/195,305.40 = 88,042.20/x
  3. Step 3: Cross multiply
    130,266.60x = 195,305.40 × 88,042.20
  4. Step 4: Simplify right side
    130,266.60x = 17,195,117,087.88
  5. Step 5: Solve for x
    x = 17,195,117,087.88/130,266.60
  6. Step 6: Final answer
    x = 131,999.43

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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.