Home / 136,286.13-187,968.35-88,554.86

Finding the Fourth Proportional to 136,286.13, 187,968.35 and 88,554.86

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Solution

The fourth proportional to 136,286.13, 187,968.35 and 88,554.86 is: 122,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,286.13 : 187,968.35 = 88,554.86 : x
  2. Step 2: Convert to fraction form
    136,286.13/187,968.35 = 88,554.86/x
  3. Step 3: Cross multiply
    136,286.13x = 187,968.35 × 88,554.86
  4. Step 4: Simplify right side
    136,286.13x = 16,645,510,200.23
  5. Step 5: Solve for x
    x = 16,645,510,200.23/136,286.13
  6. Step 6: Final answer
    x = 122,136.49

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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.