Home / 187,027.80-280,233.90-108,004.20

Finding the Fourth Proportional to 187,027.80, 280,233.90 and 108,004.20

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Solution

The fourth proportional to 187,027.80, 280,233.90 and 108,004.20 is: 161,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,027.80 : 280,233.90 = 108,004.20 : x
  2. Step 2: Convert to fraction form
    187,027.80/280,233.90 = 108,004.20/x
  3. Step 3: Cross multiply
    187,027.80x = 280,233.90 × 108,004.20
  4. Step 4: Simplify right side
    187,027.80x = 30,266,438,182.38
  5. Step 5: Solve for x
    x = 30,266,438,182.38/187,027.80
  6. Step 6: Final answer
    x = 161,828.55

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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.