Home / 146,129.40-201,661.25-82,454.90

Finding the Fourth Proportional to 146,129.40, 201,661.25 and 82,454.90

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Solution

The fourth proportional to 146,129.40, 201,661.25 and 82,454.90 is: 113,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,129.40 : 201,661.25 = 82,454.90 : x
  2. Step 2: Convert to fraction form
    146,129.40/201,661.25 = 82,454.90/x
  3. Step 3: Cross multiply
    146,129.40x = 201,661.25 × 82,454.90
  4. Step 4: Simplify right side
    146,129.40x = 16,627,956,782.04
  5. Step 5: Solve for x
    x = 16,627,956,782.04/146,129.40
  6. Step 6: Final answer
    x = 113,789.26

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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.