Home / 120,684.30-166,552.15-66,969.44

Finding the Fourth Proportional to 120,684.30, 166,552.15 and 66,969.44

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Solution

The fourth proportional to 120,684.30, 166,552.15 and 66,969.44 is: 92,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,684.30 : 166,552.15 = 66,969.44 : x
  2. Step 2: Convert to fraction form
    120,684.30/166,552.15 = 66,969.44/x
  3. Step 3: Cross multiply
    120,684.30x = 166,552.15 × 66,969.44
  4. Step 4: Simplify right side
    120,684.30x = 11,153,904,216.30
  5. Step 5: Solve for x
    x = 11,153,904,216.30/120,684.30
  6. Step 6: Final answer
    x = 92,422.16

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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.