Home / 269,668.20-372,143.18-148,812.96

Finding the Fourth Proportional to 269,668.20, 372,143.18 and 148,812.96

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Solution

The fourth proportional to 269,668.20, 372,143.18 and 148,812.96 is: 205,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,668.20 : 372,143.18 = 148,812.96 : x
  2. Step 2: Convert to fraction form
    269,668.20/372,143.18 = 148,812.96/x
  3. Step 3: Cross multiply
    269,668.20x = 372,143.18 × 148,812.96
  4. Step 4: Simplify right side
    269,668.20x = 55,379,728,159.61
  5. Step 5: Solve for x
    x = 55,379,728,159.61/269,668.20
  6. Step 6: Final answer
    x = 205,362.47

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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.