Home / 120,326.23-166,067.72-69,329.12

Finding the Fourth Proportional to 120,326.23, 166,067.72 and 69,329.12

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Solution

The fourth proportional to 120,326.23, 166,067.72 and 69,329.12 is: 95,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,326.23 : 166,067.72 = 69,329.12 : x
  2. Step 2: Convert to fraction form
    120,326.23/166,067.72 = 69,329.12/x
  3. Step 3: Cross multiply
    120,326.23x = 166,067.72 × 69,329.12
  4. Step 4: Simplify right side
    120,326.23x = 11,513,327,971.01
  5. Step 5: Solve for x
    x = 11,513,327,971.01/120,326.23
  6. Step 6: Final answer
    x = 95,684.27

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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.