Home / 120,416.08-166,175.52-66,701.92

Finding the Fourth Proportional to 120,416.08, 166,175.52 and 66,701.92

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Solution

The fourth proportional to 120,416.08, 166,175.52 and 66,701.92 is: 92,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,416.08 : 166,175.52 = 66,701.92 : x
  2. Step 2: Convert to fraction form
    120,416.08/166,175.52 = 66,701.92/x
  3. Step 3: Cross multiply
    120,416.08x = 166,175.52 × 66,701.92
  4. Step 4: Simplify right side
    120,416.08x = 11,084,226,241.00
  5. Step 5: Solve for x
    x = 11,084,226,241.00/120,416.08
  6. Step 6: Final answer
    x = 92,049.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.