Home / 126,067.80-173,991.06-72,369.66

Finding the Fourth Proportional to 126,067.80, 173,991.06 and 72,369.66

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Solution

The fourth proportional to 126,067.80, 173,991.06 and 72,369.66 is: 99,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,067.80 : 173,991.06 = 72,369.66 : x
  2. Step 2: Convert to fraction form
    126,067.80/173,991.06 = 72,369.66/x
  3. Step 3: Cross multiply
    126,067.80x = 173,991.06 × 72,369.66
  4. Step 4: Simplify right side
    126,067.80x = 12,591,673,855.24
  5. Step 5: Solve for x
    x = 12,591,673,855.24/126,067.80
  6. Step 6: Final answer
    x = 99,880.17

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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.