Home / 144,042.16-198,788.16-80,392.36

Finding the Fourth Proportional to 144,042.16, 198,788.16 and 80,392.36

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Solution

The fourth proportional to 144,042.16, 198,788.16 and 80,392.36 is: 110,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,042.16 : 198,788.16 = 80,392.36 : x
  2. Step 2: Convert to fraction form
    144,042.16/198,788.16 = 80,392.36/x
  3. Step 3: Cross multiply
    144,042.16x = 198,788.16 × 80,392.36
  4. Step 4: Simplify right side
    144,042.16x = 15,981,049,322.46
  5. Step 5: Solve for x
    x = 15,981,049,322.46/144,042.16
  6. Step 6: Final answer
    x = 110,947.03

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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.