Home / 91,169.13-136,767.37-31,994.38

Finding the Fourth Proportional to 91,169.13, 136,767.37 and 31,994.38

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Solution

The fourth proportional to 91,169.13, 136,767.37 and 31,994.38 is: 47,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,169.13 : 136,767.37 = 31,994.38 : x
  2. Step 2: Convert to fraction form
    91,169.13/136,767.37 = 31,994.38/x
  3. Step 3: Cross multiply
    91,169.13x = 136,767.37 × 31,994.38
  4. Step 4: Simplify right side
    91,169.13x = 4,375,787,207.38
  5. Step 5: Solve for x
    x = 4,375,787,207.38/91,169.13
  6. Step 6: Final answer
    x = 47,996.37

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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.