Home / 126,365.29-174,341.86-81,067.73

Finding the Fourth Proportional to 126,365.29, 174,341.86 and 81,067.73

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Solution

The fourth proportional to 126,365.29, 174,341.86 and 81,067.73 is: 111,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,365.29 : 174,341.86 = 81,067.73 : x
  2. Step 2: Convert to fraction form
    126,365.29/174,341.86 = 81,067.73/x
  3. Step 3: Cross multiply
    126,365.29x = 174,341.86 × 81,067.73
  4. Step 4: Simplify right side
    126,365.29x = 14,133,497,759.80
  5. Step 5: Solve for x
    x = 14,133,497,759.80/126,365.29
  6. Step 6: Final answer
    x = 111,846.36

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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.