Home / 143,966.25-198,673.61-80,308.08

Finding the Fourth Proportional to 143,966.25, 198,673.61 and 80,308.08

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Solution

The fourth proportional to 143,966.25, 198,673.61 and 80,308.08 is: 110,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,966.25 : 198,673.61 = 80,308.08 : x
  2. Step 2: Convert to fraction form
    143,966.25/198,673.61 = 80,308.08/x
  3. Step 3: Cross multiply
    143,966.25x = 198,673.61 × 80,308.08
  4. Step 4: Simplify right side
    143,966.25x = 15,955,095,764.23
  5. Step 5: Solve for x
    x = 15,955,095,764.23/143,966.25
  6. Step 6: Final answer
    x = 110,825.25

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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.