Home / 106,357.46-146,603.72-104,257.94

Finding the Fourth Proportional to 106,357.46, 146,603.72 and 104,257.94

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Solution

The fourth proportional to 106,357.46, 146,603.72 and 104,257.94 is: 143,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,357.46 : 146,603.72 = 104,257.94 : x
  2. Step 2: Convert to fraction form
    106,357.46/146,603.72 = 104,257.94/x
  3. Step 3: Cross multiply
    106,357.46x = 146,603.72 × 104,257.94
  4. Step 4: Simplify right side
    106,357.46x = 15,284,601,371.16
  5. Step 5: Solve for x
    x = 15,284,601,371.16/106,357.46
  6. Step 6: Final answer
    x = 143,709.73

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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.