Home / 126,871.75-175,083.03-70,286.77

Finding the Fourth Proportional to 126,871.75, 175,083.03 and 70,286.77

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Solution

The fourth proportional to 126,871.75, 175,083.03 and 70,286.77 is: 96,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.75 : 175,083.03 = 70,286.77 : x
  2. Step 2: Convert to fraction form
    126,871.75/175,083.03 = 70,286.77/x
  3. Step 3: Cross multiply
    126,871.75x = 175,083.03 × 70,286.77
  4. Step 4: Simplify right side
    126,871.75x = 12,306,020,660.51
  5. Step 5: Solve for x
    x = 12,306,020,660.51/126,871.75
  6. Step 6: Final answer
    x = 96,995.75

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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.