Home / 142,773.27-197,024.17-79,110.51

Finding the Fourth Proportional to 142,773.27, 197,024.17 and 79,110.51

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Solution

The fourth proportional to 142,773.27, 197,024.17 and 79,110.51 is: 109,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,773.27 : 197,024.17 = 79,110.51 : x
  2. Step 2: Convert to fraction form
    142,773.27/197,024.17 = 79,110.51/x
  3. Step 3: Cross multiply
    142,773.27x = 197,024.17 × 79,110.51
  4. Step 4: Simplify right side
    142,773.27x = 15,586,682,571.03
  5. Step 5: Solve for x
    x = 15,586,682,571.03/142,773.27
  6. Step 6: Final answer
    x = 109,170.87

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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.