Home / 126,948.38-190,423.25-38,201.29

Finding the Fourth Proportional to 126,948.38, 190,423.25 and 38,201.29

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Solution

The fourth proportional to 126,948.38, 190,423.25 and 38,201.29 is: 57,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,948.38 : 190,423.25 = 38,201.29 : x
  2. Step 2: Convert to fraction form
    126,948.38/190,423.25 = 38,201.29/x
  3. Step 3: Cross multiply
    126,948.38x = 190,423.25 × 38,201.29
  4. Step 4: Simplify right side
    126,948.38x = 7,274,413,487.07
  5. Step 5: Solve for x
    x = 7,274,413,487.07/126,948.38
  6. Step 6: Final answer
    x = 57,302.14

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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.