Home / 132,687.26-183,287.56-106,016.78

Finding the Fourth Proportional to 132,687.26, 183,287.56 and 106,016.78

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Solution

The fourth proportional to 132,687.26, 183,287.56 and 106,016.78 is: 146,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,687.26 : 183,287.56 = 106,016.78 : x
  2. Step 2: Convert to fraction form
    132,687.26/183,287.56 = 106,016.78/x
  3. Step 3: Cross multiply
    132,687.26x = 183,287.56 × 106,016.78
  4. Step 4: Simplify right side
    132,687.26x = 19,431,556,925.26
  5. Step 5: Solve for x
    x = 19,431,556,925.26/132,687.26
  6. Step 6: Final answer
    x = 146,446.29

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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.