Home / 81,246.66-121,825.33-25,071.44

Finding the Fourth Proportional to 81,246.66, 121,825.33 and 25,071.44

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Solution

The fourth proportional to 81,246.66, 121,825.33 and 25,071.44 is: 37,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,246.66 : 121,825.33 = 25,071.44 : x
  2. Step 2: Convert to fraction form
    81,246.66/121,825.33 = 25,071.44/x
  3. Step 3: Cross multiply
    81,246.66x = 121,825.33 × 25,071.44
  4. Step 4: Simplify right side
    81,246.66x = 3,054,336,451.58
  5. Step 5: Solve for x
    x = 3,054,336,451.58/81,246.66
  6. Step 6: Final answer
    x = 37,593.38

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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.