Home / 137,834.40-206,350.08-102,452.48

Finding the Fourth Proportional to 137,834.40, 206,350.08 and 102,452.48

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Solution

The fourth proportional to 137,834.40, 206,350.08 and 102,452.48 is: 153,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,834.40 : 206,350.08 = 102,452.48 : x
  2. Step 2: Convert to fraction form
    137,834.40/206,350.08 = 102,452.48/x
  3. Step 3: Cross multiply
    137,834.40x = 206,350.08 × 102,452.48
  4. Step 4: Simplify right side
    137,834.40x = 21,141,077,444.20
  5. Step 5: Solve for x
    x = 21,141,077,444.20/137,834.40
  6. Step 6: Final answer
    x = 153,380.27

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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.