Home / 143,371.53-197,907.57-95,607.45

Finding the Fourth Proportional to 143,371.53, 197,907.57 and 95,607.45

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Solution

The fourth proportional to 143,371.53, 197,907.57 and 95,607.45 is: 131,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,371.53 : 197,907.57 = 95,607.45 : x
  2. Step 2: Convert to fraction form
    143,371.53/197,907.57 = 95,607.45/x
  3. Step 3: Cross multiply
    143,371.53x = 197,907.57 × 95,607.45
  4. Step 4: Simplify right side
    143,371.53x = 18,921,438,103.40
  5. Step 5: Solve for x
    x = 18,921,438,103.40/143,371.53
  6. Step 6: Final answer
    x = 131,974.86

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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.