Home / 136,213.26-187,980.42-113,514.25

Finding the Fourth Proportional to 136,213.26, 187,980.42 and 113,514.25

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Solution

The fourth proportional to 136,213.26, 187,980.42 and 113,514.25 is: 156,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,213.26 : 187,980.42 = 113,514.25 : x
  2. Step 2: Convert to fraction form
    136,213.26/187,980.42 = 113,514.25/x
  3. Step 3: Cross multiply
    136,213.26x = 187,980.42 × 113,514.25
  4. Step 4: Simplify right side
    136,213.26x = 21,338,456,390.99
  5. Step 5: Solve for x
    x = 21,338,456,390.99/136,213.26
  6. Step 6: Final answer
    x = 156,654.77

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1.5x scale

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.