Home / 143,515.17-198,052.83-79,852.86

Finding the Fourth Proportional to 143,515.17, 198,052.83 and 79,852.86

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Solution

The fourth proportional to 143,515.17, 198,052.83 and 79,852.86 is: 110,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,515.17 : 198,052.83 = 79,852.86 : x
  2. Step 2: Convert to fraction form
    143,515.17/198,052.83 = 79,852.86/x
  3. Step 3: Cross multiply
    143,515.17x = 198,052.83 × 79,852.86
  4. Step 4: Simplify right side
    143,515.17x = 15,815,084,906.59
  5. Step 5: Solve for x
    x = 15,815,084,906.59/143,515.17
  6. Step 6: Final answer
    x = 110,198.00

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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.