Home / 144,057.07-198,790.72-80,398.97

Finding the Fourth Proportional to 144,057.07, 198,790.72 and 80,398.97

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Solution

The fourth proportional to 144,057.07, 198,790.72 and 80,398.97 is: 110,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,057.07 : 198,790.72 = 80,398.97 : x
  2. Step 2: Convert to fraction form
    144,057.07/198,790.72 = 80,398.97/x
  3. Step 3: Cross multiply
    144,057.07x = 198,790.72 × 80,398.97
  4. Step 4: Simplify right side
    144,057.07x = 15,982,569,133.56
  5. Step 5: Solve for x
    x = 15,982,569,133.56/144,057.07
  6. Step 6: Final answer
    x = 110,946.09

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1.5x scale

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.