Home / 120,636.24-166,476.69-66,919.92

Finding the Fourth Proportional to 120,636.24, 166,476.69 and 66,919.92

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Solution

The fourth proportional to 120,636.24, 166,476.69 and 66,919.92 is: 92,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,636.24 : 166,476.69 = 66,919.92 : x
  2. Step 2: Convert to fraction form
    120,636.24/166,476.69 = 66,919.92/x
  3. Step 3: Cross multiply
    120,636.24x = 166,476.69 × 66,919.92
  4. Step 4: Simplify right side
    120,636.24x = 11,140,606,776.66
  5. Step 5: Solve for x
    x = 11,140,606,776.66/120,636.24
  6. Step 6: Final answer
    x = 92,348.76

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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.