Home / 82,130.36-123,184.75-25,976.09

Finding the Fourth Proportional to 82,130.36, 123,184.75 and 25,976.09

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Solution

The fourth proportional to 82,130.36, 123,184.75 and 25,976.09 is: 38,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.36 : 123,184.75 = 25,976.09 : x
  2. Step 2: Convert to fraction form
    82,130.36/123,184.75 = 25,976.09/x
  3. Step 3: Cross multiply
    82,130.36x = 123,184.75 × 25,976.09
  4. Step 4: Simplify right side
    82,130.36x = 3,199,858,444.35
  5. Step 5: Solve for x
    x = 3,199,858,444.35/82,130.36
  6. Step 6: Final answer
    x = 38,960.73

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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.