Home / 146,721.54-220,096.89-53,234.58

Finding the Fourth Proportional to 146,721.54, 220,096.89 and 53,234.58

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Solution

The fourth proportional to 146,721.54, 220,096.89 and 53,234.58 is: 79,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,721.54 : 220,096.89 = 53,234.58 : x
  2. Step 2: Convert to fraction form
    146,721.54/220,096.89 = 53,234.58/x
  3. Step 3: Cross multiply
    146,721.54x = 220,096.89 × 53,234.58
  4. Step 4: Simplify right side
    146,721.54x = 11,716,765,498.46
  5. Step 5: Solve for x
    x = 11,716,765,498.46/146,721.54
  6. Step 6: Final answer
    x = 79,857.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.