Home / 218,436.48-327,732.16-125,020.80

Finding the Fourth Proportional to 218,436.48, 327,732.16 and 125,020.80

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Solution

The fourth proportional to 218,436.48, 327,732.16 and 125,020.80 is: 187,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,436.48 : 327,732.16 = 125,020.80 : x
  2. Step 2: Convert to fraction form
    218,436.48/327,732.16 = 125,020.80/x
  3. Step 3: Cross multiply
    218,436.48x = 327,732.16 × 125,020.80
  4. Step 4: Simplify right side
    218,436.48x = 40,973,336,828.93
  5. Step 5: Solve for x
    x = 40,973,336,828.93/218,436.48
  6. Step 6: Final answer
    x = 187,575.52

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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.