Home / 85,669.44-118,286.19-68,766.66

Finding the Fourth Proportional to 85,669.44, 118,286.19 and 68,766.66

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Solution

The fourth proportional to 85,669.44, 118,286.19 and 68,766.66 is: 94,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,669.44 : 118,286.19 = 68,766.66 : x
  2. Step 2: Convert to fraction form
    85,669.44/118,286.19 = 68,766.66/x
  3. Step 3: Cross multiply
    85,669.44x = 118,286.19 × 68,766.66
  4. Step 4: Simplify right side
    85,669.44x = 8,134,146,210.43
  5. Step 5: Solve for x
    x = 8,134,146,210.43/85,669.44
  6. Step 6: Final answer
    x = 94,948.05

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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.