Home / 136,634.66-188,572.28-80,046.03

Finding the Fourth Proportional to 136,634.66, 188,572.28 and 80,046.03

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Solution

The fourth proportional to 136,634.66, 188,572.28 and 80,046.03 is: 110,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,634.66 : 188,572.28 = 80,046.03 : x
  2. Step 2: Convert to fraction form
    136,634.66/188,572.28 = 80,046.03/x
  3. Step 3: Cross multiply
    136,634.66x = 188,572.28 × 80,046.03
  4. Step 4: Simplify right side
    136,634.66x = 15,094,462,382.05
  5. Step 5: Solve for x
    x = 15,094,462,382.05/136,634.66
  6. Step 6: Final answer
    x = 110,473.16

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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.