Home / 159,282.20-219,784.25-91,286.08

Finding the Fourth Proportional to 159,282.20, 219,784.25 and 91,286.08

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Solution

The fourth proportional to 159,282.20, 219,784.25 and 91,286.08 is: 125,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,282.20 : 219,784.25 = 91,286.08 : x
  2. Step 2: Convert to fraction form
    159,282.20/219,784.25 = 91,286.08/x
  3. Step 3: Cross multiply
    159,282.20x = 219,784.25 × 91,286.08
  4. Step 4: Simplify right side
    159,282.20x = 20,063,242,306.99
  5. Step 5: Solve for x
    x = 20,063,242,306.99/159,282.20
  6. Step 6: Final answer
    x = 125,960.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.