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Finding the Fourth Proportional to 121,464.52, 167,751.72 and 92,474.94

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Solution

The fourth proportional to 121,464.52, 167,751.72 and 92,474.94 is: 127,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,464.52 : 167,751.72 = 92,474.94 : x
  2. Step 2: Convert to fraction form
    121,464.52/167,751.72 = 92,474.94/x
  3. Step 3: Cross multiply
    121,464.52x = 167,751.72 × 92,474.94
  4. Step 4: Simplify right side
    121,464.52x = 15,512,830,241.90
  5. Step 5: Solve for x
    x = 15,512,830,241.90/121,464.52
  6. Step 6: Final answer
    x = 127,714.91

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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.