Home / 82,286.85-123,417.68-26,119.63

Finding the Fourth Proportional to 82,286.85, 123,417.68 and 26,119.63

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Solution

The fourth proportional to 82,286.85, 123,417.68 and 26,119.63 is: 39,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,286.85 : 123,417.68 = 26,119.63 : x
  2. Step 2: Convert to fraction form
    82,286.85/123,417.68 = 26,119.63/x
  3. Step 3: Cross multiply
    82,286.85x = 123,417.68 × 26,119.63
  4. Step 4: Simplify right side
    82,286.85x = 3,223,624,160.73
  5. Step 5: Solve for x
    x = 3,223,624,160.73/82,286.85
  6. Step 6: Final answer
    x = 39,175.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.