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Finding the Fourth Proportional to 141,508, 195,121.60 and 109,169.02

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Solution

The fourth proportional to 141,508, 195,121.60 and 109,169.02 is: 150,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,508 : 195,121.60 = 109,169.02 : x
  2. Step 2: Convert to fraction form
    141,508/195,121.60 = 109,169.02/x
  3. Step 3: Cross multiply
    141,508x = 195,121.60 × 109,169.02
  4. Step 4: Simplify right side
    141,508x = 21,301,233,852.83
  5. Step 5: Solve for x
    x = 21,301,233,852.83/141,508
  6. Step 6: Final answer
    x = 150,530.24

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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.