Home / 120,968.64-166,918.40-69,277.70

Finding the Fourth Proportional to 120,968.64, 166,918.40 and 69,277.70

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Solution

The fourth proportional to 120,968.64, 166,918.40 and 69,277.70 is: 95,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,968.64 : 166,918.40 = 69,277.70 : x
  2. Step 2: Convert to fraction form
    120,968.64/166,918.40 = 69,277.70/x
  3. Step 3: Cross multiply
    120,968.64x = 166,918.40 × 69,277.70
  4. Step 4: Simplify right side
    120,968.64x = 11,563,722,005.09
  5. Step 5: Solve for x
    x = 11,563,722,005.09/120,968.64
  6. Step 6: Final answer
    x = 95,592.73

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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.