Home / 143,220.24-197,638.44-79,562.04

Finding the Fourth Proportional to 143,220.24, 197,638.44 and 79,562.04

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Solution

The fourth proportional to 143,220.24, 197,638.44 and 79,562.04 is: 109,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,220.24 : 197,638.44 = 79,562.04 : x
  2. Step 2: Convert to fraction form
    143,220.24/197,638.44 = 79,562.04/x
  3. Step 3: Cross multiply
    143,220.24x = 197,638.44 × 79,562.04
  4. Step 4: Simplify right side
    143,220.24x = 15,724,517,468.82
  5. Step 5: Solve for x
    x = 15,724,517,468.82/143,220.24
  6. Step 6: Final answer
    x = 109,792.56

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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.