Home / 146,163.30-201,705.36-82,505.21

Finding the Fourth Proportional to 146,163.30, 201,705.36 and 82,505.21

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Solution

The fourth proportional to 146,163.30, 201,705.36 and 82,505.21 is: 113,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,163.30 : 201,705.36 = 82,505.21 : x
  2. Step 2: Convert to fraction form
    146,163.30/201,705.36 = 82,505.21/x
  3. Step 3: Cross multiply
    146,163.30x = 201,705.36 × 82,505.21
  4. Step 4: Simplify right side
    146,163.30x = 16,641,742,076.40
  5. Step 5: Solve for x
    x = 16,641,742,076.40/146,163.30
  6. Step 6: Final answer
    x = 113,857.19

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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.