Home / 81,203.06-121,825.60-25,041.92

Finding the Fourth Proportional to 81,203.06, 121,825.60 and 25,041.92

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Solution

The fourth proportional to 81,203.06, 121,825.60 and 25,041.92 is: 37,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,203.06 : 121,825.60 = 25,041.92 : x
  2. Step 2: Convert to fraction form
    81,203.06/121,825.60 = 25,041.92/x
  3. Step 3: Cross multiply
    81,203.06x = 121,825.60 × 25,041.92
  4. Step 4: Simplify right side
    81,203.06x = 3,050,747,202.04
  5. Step 5: Solve for x
    x = 3,050,747,202.04/81,203.06
  6. Step 6: Final answer
    x = 37,569.36

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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.