Home / 126,871.24-175,079.63-69,507.77

Finding the Fourth Proportional to 126,871.24, 175,079.63 and 69,507.77

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Solution

The fourth proportional to 126,871.24, 175,079.63 and 69,507.77 is: 95,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.24 : 175,079.63 = 69,507.77 : x
  2. Step 2: Convert to fraction form
    126,871.24/175,079.63 = 69,507.77/x
  3. Step 3: Cross multiply
    126,871.24x = 175,079.63 × 69,507.77
  4. Step 4: Simplify right side
    126,871.24x = 12,169,394,653.73
  5. Step 5: Solve for x
    x = 12,169,394,653.73/126,871.24
  6. Step 6: Final answer
    x = 95,919.25

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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.