Home / 110,419.38-165,415.23-66,081.06

Finding the Fourth Proportional to 110,419.38, 165,415.23 and 66,081.06

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Solution

The fourth proportional to 110,419.38, 165,415.23 and 66,081.06 is: 98,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,419.38 : 165,415.23 = 66,081.06 : x
  2. Step 2: Convert to fraction form
    110,419.38/165,415.23 = 66,081.06/x
  3. Step 3: Cross multiply
    110,419.38x = 165,415.23 × 66,081.06
  4. Step 4: Simplify right side
    110,419.38x = 10,930,813,738.54
  5. Step 5: Solve for x
    x = 10,930,813,738.54/110,419.38
  6. Step 6: Final answer
    x = 98,993.62

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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.