Home / 129,862.80-194,792.19-107,629.23

Finding the Fourth Proportional to 129,862.80, 194,792.19 and 107,629.23

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Solution

The fourth proportional to 129,862.80, 194,792.19 and 107,629.23 is: 161,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,862.80 : 194,792.19 = 107,629.23 : x
  2. Step 2: Convert to fraction form
    129,862.80/194,792.19 = 107,629.23/x
  3. Step 3: Cross multiply
    129,862.80x = 194,792.19 × 107,629.23
  4. Step 4: Simplify right side
    129,862.80x = 20,965,333,419.71
  5. Step 5: Solve for x
    x = 20,965,333,419.71/129,862.80
  6. Step 6: Final answer
    x = 161,442.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.