Home / 146,098.22-219,157.05-51,316.88

Finding the Fourth Proportional to 146,098.22, 219,157.05 and 51,316.88

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Solution

The fourth proportional to 146,098.22, 219,157.05 and 51,316.88 is: 76,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,098.22 : 219,157.05 = 51,316.88 : x
  2. Step 2: Convert to fraction form
    146,098.22/219,157.05 = 51,316.88/x
  3. Step 3: Cross multiply
    146,098.22x = 219,157.05 × 51,316.88
  4. Step 4: Simplify right side
    146,098.22x = 11,246,454,940.22
  5. Step 5: Solve for x
    x = 11,246,454,940.22/146,098.22
  6. Step 6: Final answer
    x = 76,978.73

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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.