Home / 87,982.30-131,973.45-82,798.30

Finding the Fourth Proportional to 87,982.30, 131,973.45 and 82,798.30

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Solution

The fourth proportional to 87,982.30, 131,973.45 and 82,798.30 is: 124,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,982.30 : 131,973.45 = 82,798.30 : x
  2. Step 2: Convert to fraction form
    87,982.30/131,973.45 = 82,798.30/x
  3. Step 3: Cross multiply
    87,982.30x = 131,973.45 × 82,798.30
  4. Step 4: Simplify right side
    87,982.30x = 10,927,177,305.14
  5. Step 5: Solve for x
    x = 10,927,177,305.14/87,982.30
  6. Step 6: Final answer
    x = 124,197.45

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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.