Home / 136,293.80-188,085.43-75,863.14

Finding the Fourth Proportional to 136,293.80, 188,085.43 and 75,863.14

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Solution

The fourth proportional to 136,293.80, 188,085.43 and 75,863.14 is: 104,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,293.80 : 188,085.43 = 75,863.14 : x
  2. Step 2: Convert to fraction form
    136,293.80/188,085.43 = 75,863.14/x
  3. Step 3: Cross multiply
    136,293.80x = 188,085.43 × 75,863.14
  4. Step 4: Simplify right side
    136,293.80x = 14,268,751,308.05
  5. Step 5: Solve for x
    x = 14,268,751,308.05/136,293.80
  6. Step 6: Final answer
    x = 104,691.13

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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.