Home / 146,134.98-201,662.19-82,478.70

Finding the Fourth Proportional to 146,134.98, 201,662.19 and 82,478.70

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Solution

The fourth proportional to 146,134.98, 201,662.19 and 82,478.70 is: 113,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,134.98 : 201,662.19 = 82,478.70 : x
  2. Step 2: Convert to fraction form
    146,134.98/201,662.19 = 82,478.70/x
  3. Step 3: Cross multiply
    146,134.98x = 201,662.19 × 82,478.70
  4. Step 4: Simplify right side
    146,134.98x = 16,632,835,270.35
  5. Step 5: Solve for x
    x = 16,632,835,270.35/146,134.98
  6. Step 6: Final answer
    x = 113,818.30

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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.