Home / 86,161.92-129,242.94-27,002.19

Finding the Fourth Proportional to 86,161.92, 129,242.94 and 27,002.19

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Solution

The fourth proportional to 86,161.92, 129,242.94 and 27,002.19 is: 40,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,161.92 : 129,242.94 = 27,002.19 : x
  2. Step 2: Convert to fraction form
    86,161.92/129,242.94 = 27,002.19/x
  3. Step 3: Cross multiply
    86,161.92x = 129,242.94 × 27,002.19
  4. Step 4: Simplify right side
    86,161.92x = 3,489,842,422.04
  5. Step 5: Solve for x
    x = 3,489,842,422.04/86,161.92
  6. Step 6: Final answer
    x = 40,503.30

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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.