Home / 117,185.82-161,716.41-63,470.40

Finding the Fourth Proportional to 117,185.82, 161,716.41 and 63,470.40

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Solution

The fourth proportional to 117,185.82, 161,716.41 and 63,470.40 is: 87,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,185.82 : 161,716.41 = 63,470.40 : x
  2. Step 2: Convert to fraction form
    117,185.82/161,716.41 = 63,470.40/x
  3. Step 3: Cross multiply
    117,185.82x = 161,716.41 × 63,470.40
  4. Step 4: Simplify right side
    117,185.82x = 10,264,205,229.26
  5. Step 5: Solve for x
    x = 10,264,205,229.26/117,185.82
  6. Step 6: Final answer
    x = 87,589.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.