Home / 148,289.62-204,640.68-80,306.65

Finding the Fourth Proportional to 148,289.62, 204,640.68 and 80,306.65

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Solution

The fourth proportional to 148,289.62, 204,640.68 and 80,306.65 is: 110,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,289.62 : 204,640.68 = 80,306.65 : x
  2. Step 2: Convert to fraction form
    148,289.62/204,640.68 = 80,306.65/x
  3. Step 3: Cross multiply
    148,289.62x = 204,640.68 × 80,306.65
  4. Step 4: Simplify right side
    148,289.62x = 16,434,007,464.52
  5. Step 5: Solve for x
    x = 16,434,007,464.52/148,289.62
  6. Step 6: Final answer
    x = 110,823.72

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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.