Home / 144,023.68-198,751.92-80,361.36

Finding the Fourth Proportional to 144,023.68, 198,751.92 and 80,361.36

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Solution

The fourth proportional to 144,023.68, 198,751.92 and 80,361.36 is: 110,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,023.68 : 198,751.92 = 80,361.36 : x
  2. Step 2: Convert to fraction form
    144,023.68/198,751.92 = 80,361.36/x
  3. Step 3: Cross multiply
    144,023.68x = 198,751.92 × 80,361.36
  4. Step 4: Simplify right side
    144,023.68x = 15,971,974,593.81
  5. Step 5: Solve for x
    x = 15,971,974,593.81/144,023.68
  6. Step 6: Final answer
    x = 110,898.25

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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.