Home / 81,232.03-121,849.72-25,072.18

Finding the Fourth Proportional to 81,232.03, 121,849.72 and 25,072.18

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Solution

The fourth proportional to 81,232.03, 121,849.72 and 25,072.18 is: 37,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,232.03 : 121,849.72 = 25,072.18 : x
  2. Step 2: Convert to fraction form
    81,232.03/121,849.72 = 25,072.18/x
  3. Step 3: Cross multiply
    81,232.03x = 121,849.72 × 25,072.18
  4. Step 4: Simplify right side
    81,232.03x = 3,055,038,112.79
  5. Step 5: Solve for x
    x = 3,055,038,112.79/81,232.03
  6. Step 6: Final answer
    x = 37,608.79

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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.