Home / 81,175.64-121,774.89-25,020.29

Finding the Fourth Proportional to 81,175.64, 121,774.89 and 25,020.29

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Solution

The fourth proportional to 81,175.64, 121,774.89 and 25,020.29 is: 37,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,175.64 : 121,774.89 = 25,020.29 : x
  2. Step 2: Convert to fraction form
    81,175.64/121,774.89 = 25,020.29/x
  3. Step 3: Cross multiply
    81,175.64x = 121,774.89 × 25,020.29
  4. Step 4: Simplify right side
    81,175.64x = 3,046,842,328.54
  5. Step 5: Solve for x
    x = 3,046,842,328.54/81,175.64
  6. Step 6: Final answer
    x = 37,533.95

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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.