Home / 124,052.48-171,120.13-90,021.38

Finding the Fourth Proportional to 124,052.48, 171,120.13 and 90,021.38

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Solution

The fourth proportional to 124,052.48, 171,120.13 and 90,021.38 is: 124,177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,052.48 : 171,120.13 = 90,021.38 : x
  2. Step 2: Convert to fraction form
    124,052.48/171,120.13 = 90,021.38/x
  3. Step 3: Cross multiply
    124,052.48x = 171,120.13 × 90,021.38
  4. Step 4: Simplify right side
    124,052.48x = 15,404,469,167.73
  5. Step 5: Solve for x
    x = 15,404,469,167.73/124,052.48
  6. Step 6: Final answer
    x = 124,177.04

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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.