Home / 146,512.60-220,238.70-136,112.20

Finding the Fourth Proportional to 146,512.60, 220,238.70 and 136,112.20

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Solution

The fourth proportional to 146,512.60, 220,238.70 and 136,112.20 is: 204,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,512.60 : 220,238.70 = 136,112.20 : x
  2. Step 2: Convert to fraction form
    146,512.60/220,238.70 = 136,112.20/x
  3. Step 3: Cross multiply
    146,512.60x = 220,238.70 × 136,112.20
  4. Step 4: Simplify right side
    146,512.60x = 29,977,173,982.14
  5. Step 5: Solve for x
    x = 29,977,173,982.14/146,512.60
  6. Step 6: Final answer
    x = 204,604.75

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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.