Home / 120,651.93-166,502.39-66,934.96

Finding the Fourth Proportional to 120,651.93, 166,502.39 and 66,934.96

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Solution

The fourth proportional to 120,651.93, 166,502.39 and 66,934.96 is: 92,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,651.93 : 166,502.39 = 66,934.96 : x
  2. Step 2: Convert to fraction form
    120,651.93/166,502.39 = 66,934.96/x
  3. Step 3: Cross multiply
    120,651.93x = 166,502.39 × 66,934.96
  4. Step 4: Simplify right side
    120,651.93x = 11,144,830,063.62
  5. Step 5: Solve for x
    x = 11,144,830,063.62/120,651.93
  6. Step 6: Final answer
    x = 92,371.75

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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.