Home / 136,091.25-187,812.18-75,668.04

Finding the Fourth Proportional to 136,091.25, 187,812.18 and 75,668.04

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Solution

The fourth proportional to 136,091.25, 187,812.18 and 75,668.04 is: 104,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.25 : 187,812.18 = 75,668.04 : x
  2. Step 2: Convert to fraction form
    136,091.25/187,812.18 = 75,668.04/x
  3. Step 3: Cross multiply
    136,091.25x = 187,812.18 × 75,668.04
  4. Step 4: Simplify right side
    136,091.25x = 14,211,379,548.73
  5. Step 5: Solve for x
    x = 14,211,379,548.73/136,091.25
  6. Step 6: Final answer
    x = 104,425.37

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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.