Home / 143,282.96-197,735.28-79,623.44

Finding the Fourth Proportional to 143,282.96, 197,735.28 and 79,623.44

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Solution

The fourth proportional to 143,282.96, 197,735.28 and 79,623.44 is: 109,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,282.96 : 197,735.28 = 79,623.44 : x
  2. Step 2: Convert to fraction form
    143,282.96/197,735.28 = 79,623.44/x
  3. Step 3: Cross multiply
    143,282.96x = 197,735.28 × 79,623.44
  4. Step 4: Simplify right side
    143,282.96x = 15,744,363,202.96
  5. Step 5: Solve for x
    x = 15,744,363,202.96/143,282.96
  6. Step 6: Final answer
    x = 109,883.01

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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.