Home / 144,190.95-198,982.34-79,660.14

Finding the Fourth Proportional to 144,190.95, 198,982.34 and 79,660.14

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Solution

The fourth proportional to 144,190.95, 198,982.34 and 79,660.14 is: 109,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,190.95 : 198,982.34 = 79,660.14 : x
  2. Step 2: Convert to fraction form
    144,190.95/198,982.34 = 79,660.14/x
  3. Step 3: Cross multiply
    144,190.95x = 198,982.34 × 79,660.14
  4. Step 4: Simplify right side
    144,190.95x = 15,850,959,668.72
  5. Step 5: Solve for x
    x = 15,850,959,668.72/144,190.95
  6. Step 6: Final answer
    x = 109,930.34

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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.