Home / 120,350.06-166,084.40-66,636.02

Finding the Fourth Proportional to 120,350.06, 166,084.40 and 66,636.02

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Solution

The fourth proportional to 120,350.06, 166,084.40 and 66,636.02 is: 91,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,350.06 : 166,084.40 = 66,636.02 : x
  2. Step 2: Convert to fraction form
    120,350.06/166,084.40 = 66,636.02/x
  3. Step 3: Cross multiply
    120,350.06x = 166,084.40 × 66,636.02
  4. Step 4: Simplify right side
    120,350.06x = 11,067,203,400.09
  5. Step 5: Solve for x
    x = 11,067,203,400.09/120,350.06
  6. Step 6: Final answer
    x = 91,958.44

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1.5x scale

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.