Home / 143,984.25-198,698.27-80,322.03

Finding the Fourth Proportional to 143,984.25, 198,698.27 and 80,322.03

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Solution

The fourth proportional to 143,984.25, 198,698.27 and 80,322.03 is: 110,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,984.25 : 198,698.27 = 80,322.03 : x
  2. Step 2: Convert to fraction form
    143,984.25/198,698.27 = 80,322.03/x
  3. Step 3: Cross multiply
    143,984.25x = 198,698.27 × 80,322.03
  4. Step 4: Simplify right side
    143,984.25x = 15,959,848,002.28
  5. Step 5: Solve for x
    x = 15,959,848,002.28/143,984.25
  6. Step 6: Final answer
    x = 110,844.40

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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.