Home / 136,609.20-204,842.88-52,344.36

Finding the Fourth Proportional to 136,609.20, 204,842.88 and 52,344.36

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Solution

The fourth proportional to 136,609.20, 204,842.88 and 52,344.36 is: 78,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,609.20 : 204,842.88 = 52,344.36 : x
  2. Step 2: Convert to fraction form
    136,609.20/204,842.88 = 52,344.36/x
  3. Step 3: Cross multiply
    136,609.20x = 204,842.88 × 52,344.36
  4. Step 4: Simplify right side
    136,609.20x = 10,722,369,454.16
  5. Step 5: Solve for x
    x = 10,722,369,454.16/136,609.20
  6. Step 6: Final answer
    x = 78,489.37

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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.