Home / 137,799.33-190,151.44-83,371.78

Finding the Fourth Proportional to 137,799.33, 190,151.44 and 83,371.78

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Solution

The fourth proportional to 137,799.33, 190,151.44 and 83,371.78 is: 115,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,799.33 : 190,151.44 = 83,371.78 : x
  2. Step 2: Convert to fraction form
    137,799.33/190,151.44 = 83,371.78/x
  3. Step 3: Cross multiply
    137,799.33x = 190,151.44 × 83,371.78
  4. Step 4: Simplify right side
    137,799.33x = 15,853,264,022.36
  5. Step 5: Solve for x
    x = 15,853,264,022.36/137,799.33
  6. Step 6: Final answer
    x = 115,046.02

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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.