Home / 137,836.29-190,286.33-92,751.33

Finding the Fourth Proportional to 137,836.29, 190,286.33 and 92,751.33

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Solution

The fourth proportional to 137,836.29, 190,286.33 and 92,751.33 is: 128,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,836.29 : 190,286.33 = 92,751.33 : x
  2. Step 2: Convert to fraction form
    137,836.29/190,286.33 = 92,751.33/x
  3. Step 3: Cross multiply
    137,836.29x = 190,286.33 × 92,751.33
  4. Step 4: Simplify right side
    137,836.29x = 17,649,309,724.56
  5. Step 5: Solve for x
    x = 17,649,309,724.56/137,836.29
  6. Step 6: Final answer
    x = 128,045.45

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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.