Home / 143,604.24-198,177.34-79,946.34

Finding the Fourth Proportional to 143,604.24, 198,177.34 and 79,946.34

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Solution

The fourth proportional to 143,604.24, 198,177.34 and 79,946.34 is: 110,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,604.24 : 198,177.34 = 79,946.34 : x
  2. Step 2: Convert to fraction form
    143,604.24/198,177.34 = 79,946.34/x
  3. Step 3: Cross multiply
    143,604.24x = 198,177.34 × 79,946.34
  4. Step 4: Simplify right side
    143,604.24x = 15,843,553,003.94
  5. Step 5: Solve for x
    x = 15,843,553,003.94/143,604.24
  6. Step 6: Final answer
    x = 110,327.89

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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.