Home / 121,110.38-181,694.93-38,004.38

Finding the Fourth Proportional to 121,110.38, 181,694.93 and 38,004.38

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Solution

The fourth proportional to 121,110.38, 181,694.93 and 38,004.38 is: 57,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,110.38 : 181,694.93 = 38,004.38 : x
  2. Step 2: Convert to fraction form
    121,110.38/181,694.93 = 38,004.38/x
  3. Step 3: Cross multiply
    121,110.38x = 181,694.93 × 38,004.38
  4. Step 4: Simplify right side
    121,110.38x = 6,905,202,065.30
  5. Step 5: Solve for x
    x = 6,905,202,065.30/121,110.38
  6. Step 6: Final answer
    x = 57,015.78

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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.