Home / 120,965.45-166,893.26-67,240.13

Finding the Fourth Proportional to 120,965.45, 166,893.26 and 67,240.13

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Solution

The fourth proportional to 120,965.45, 166,893.26 and 67,240.13 is: 92,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,965.45 : 166,893.26 = 67,240.13 : x
  2. Step 2: Convert to fraction form
    120,965.45/166,893.26 = 67,240.13/x
  3. Step 3: Cross multiply
    120,965.45x = 166,893.26 × 67,240.13
  4. Step 4: Simplify right side
    120,965.45x = 11,221,923,327.86
  5. Step 5: Solve for x
    x = 11,221,923,327.86/120,965.45
  6. Step 6: Final answer
    x = 92,769.66

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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.