Home / 107,711.94-148,660.23-82,170.08

Finding the Fourth Proportional to 107,711.94, 148,660.23 and 82,170.08

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Solution

The fourth proportional to 107,711.94, 148,660.23 and 82,170.08 is: 113,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,711.94 : 148,660.23 = 82,170.08 : x
  2. Step 2: Convert to fraction form
    107,711.94/148,660.23 = 82,170.08/x
  3. Step 3: Cross multiply
    107,711.94x = 148,660.23 × 82,170.08
  4. Step 4: Simplify right side
    107,711.94x = 12,215,422,248.62
  5. Step 5: Solve for x
    x = 12,215,422,248.62/107,711.94
  6. Step 6: Final answer
    x = 113,408.25

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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.