Home / 143,024.82-197,374.37-79,362.57

Finding the Fourth Proportional to 143,024.82, 197,374.37 and 79,362.57

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Solution

The fourth proportional to 143,024.82, 197,374.37 and 79,362.57 is: 109,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,024.82 : 197,374.37 = 79,362.57 : x
  2. Step 2: Convert to fraction form
    143,024.82/197,374.37 = 79,362.57/x
  3. Step 3: Cross multiply
    143,024.82x = 197,374.37 × 79,362.57
  4. Step 4: Simplify right side
    143,024.82x = 15,664,136,858.52
  5. Step 5: Solve for x
    x = 15,664,136,858.52/143,024.82
  6. Step 6: Final answer
    x = 109,520.41

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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.