Home / 146,161.80-201,703.29-82,503.71

Finding the Fourth Proportional to 146,161.80, 201,703.29 and 82,503.71

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Solution

The fourth proportional to 146,161.80, 201,703.29 and 82,503.71 is: 113,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,161.80 : 201,703.29 = 82,503.71 : x
  2. Step 2: Convert to fraction form
    146,161.80/201,703.29 = 82,503.71/x
  3. Step 3: Cross multiply
    146,161.80x = 201,703.29 × 82,503.71
  4. Step 4: Simplify right side
    146,161.80x = 16,641,268,735.69
  5. Step 5: Solve for x
    x = 16,641,268,735.69/146,161.80
  6. Step 6: Final answer
    x = 113,855.12

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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.