Home / 146,540.10-219,810.15-132,980.70

Finding the Fourth Proportional to 146,540.10, 219,810.15 and 132,980.70

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Solution

The fourth proportional to 146,540.10, 219,810.15 and 132,980.70 is: 199,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.10 : 219,810.15 = 132,980.70 : x
  2. Step 2: Convert to fraction form
    146,540.10/219,810.15 = 132,980.70/x
  3. Step 3: Cross multiply
    146,540.10x = 219,810.15 × 132,980.70
  4. Step 4: Simplify right side
    146,540.10x = 29,230,507,614.11
  5. Step 5: Solve for x
    x = 29,230,507,614.11/146,540.10
  6. Step 6: Final answer
    x = 199,471.05

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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.