Home / 143,195.98-197,604.96-79,537.84

Finding the Fourth Proportional to 143,195.98, 197,604.96 and 79,537.84

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Solution

The fourth proportional to 143,195.98, 197,604.96 and 79,537.84 is: 109,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,195.98 : 197,604.96 = 79,537.84 : x
  2. Step 2: Convert to fraction form
    143,195.98/197,604.96 = 79,537.84/x
  3. Step 3: Cross multiply
    143,195.98x = 197,604.96 × 79,537.84
  4. Step 4: Simplify right side
    143,195.98x = 15,717,071,691.69
  5. Step 5: Solve for x
    x = 15,717,071,691.69/143,195.98
  6. Step 6: Final answer
    x = 109,759.17

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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.