Home / 87,110.25-130,653.08-27,938.24

Finding the Fourth Proportional to 87,110.25, 130,653.08 and 27,938.24

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Solution

The fourth proportional to 87,110.25, 130,653.08 and 27,938.24 is: 41,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,110.25 : 130,653.08 = 27,938.24 : x
  2. Step 2: Convert to fraction form
    87,110.25/130,653.08 = 27,938.24/x
  3. Step 3: Cross multiply
    87,110.25x = 130,653.08 × 27,938.24
  4. Step 4: Simplify right side
    87,110.25x = 3,650,217,105.78
  5. Step 5: Solve for x
    x = 3,650,217,105.78/87,110.25
  6. Step 6: Final answer
    x = 41,903.42

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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.