Home / 148,727.92-205,246.06-80,745.52

Finding the Fourth Proportional to 148,727.92, 205,246.06 and 80,745.52

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Solution

The fourth proportional to 148,727.92, 205,246.06 and 80,745.52 is: 111,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,727.92 : 205,246.06 = 80,745.52 : x
  2. Step 2: Convert to fraction form
    148,727.92/205,246.06 = 80,745.52/x
  3. Step 3: Cross multiply
    148,727.92x = 205,246.06 × 80,745.52
  4. Step 4: Simplify right side
    148,727.92x = 16,572,699,842.65
  5. Step 5: Solve for x
    x = 16,572,699,842.65/148,727.92
  6. Step 6: Final answer
    x = 111,429.65

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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.