Home / 144,106.20-198,858.29-80,448.03

Finding the Fourth Proportional to 144,106.20, 198,858.29 and 80,448.03

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Solution

The fourth proportional to 144,106.20, 198,858.29 and 80,448.03 is: 111,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,106.20 : 198,858.29 = 80,448.03 : x
  2. Step 2: Convert to fraction form
    144,106.20/198,858.29 = 80,448.03/x
  3. Step 3: Cross multiply
    144,106.20x = 198,858.29 × 80,448.03
  4. Step 4: Simplify right side
    144,106.20x = 15,997,757,277.43
  5. Step 5: Solve for x
    x = 15,997,757,277.43/144,106.20
  6. Step 6: Final answer
    x = 111,013.66

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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.