Home / 192,306.24-287,891.40-142,052.64

Finding the Fourth Proportional to 192,306.24, 287,891.40 and 142,052.64

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Solution

The fourth proportional to 192,306.24, 287,891.40 and 142,052.64 is: 212,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,306.24 : 287,891.40 = 142,052.64 : x
  2. Step 2: Convert to fraction form
    192,306.24/287,891.40 = 142,052.64/x
  3. Step 3: Cross multiply
    192,306.24x = 287,891.40 × 142,052.64
  4. Step 4: Simplify right side
    192,306.24x = 40,895,733,403.30
  5. Step 5: Solve for x
    x = 40,895,733,403.30/192,306.24
  6. Step 6: Final answer
    x = 212,659.42

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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.