Home / 121,517.38-182,150.97-46,617.58

Finding the Fourth Proportional to 121,517.38, 182,150.97 and 46,617.58

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Solution

The fourth proportional to 121,517.38, 182,150.97 and 46,617.58 is: 69,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,517.38 : 182,150.97 = 46,617.58 : x
  2. Step 2: Convert to fraction form
    121,517.38/182,150.97 = 46,617.58/x
  3. Step 3: Cross multiply
    121,517.38x = 182,150.97 × 46,617.58
  4. Step 4: Simplify right side
    121,517.38x = 8,491,437,416.05
  5. Step 5: Solve for x
    x = 8,491,437,416.05/121,517.38
  6. Step 6: Final answer
    x = 69,878.38

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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.