Home / 120,352.26-166,091.30-66,637.26

Finding the Fourth Proportional to 120,352.26, 166,091.30 and 66,637.26

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Solution

The fourth proportional to 120,352.26, 166,091.30 and 66,637.26 is: 91,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,352.26 : 166,091.30 = 66,637.26 : x
  2. Step 2: Convert to fraction form
    120,352.26/166,091.30 = 66,637.26/x
  3. Step 3: Cross multiply
    120,352.26x = 166,091.30 × 66,637.26
  4. Step 4: Simplify right side
    120,352.26x = 11,067,869,141.84
  5. Step 5: Solve for x
    x = 11,067,869,141.84/120,352.26
  6. Step 6: Final answer
    x = 91,962.29

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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.