Home / 120,902.94-166,842.68-67,185.36

Finding the Fourth Proportional to 120,902.94, 166,842.68 and 67,185.36

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Solution

The fourth proportional to 120,902.94, 166,842.68 and 67,185.36 is: 92,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,902.94 : 166,842.68 = 67,185.36 : x
  2. Step 2: Convert to fraction form
    120,902.94/166,842.68 = 67,185.36/x
  3. Step 3: Cross multiply
    120,902.94x = 166,842.68 × 67,185.36
  4. Step 4: Simplify right side
    120,902.94x = 11,209,385,519.16
  5. Step 5: Solve for x
    x = 11,209,385,519.16/120,902.94
  6. Step 6: Final answer
    x = 92,713.92

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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.