Home / 146,788.68-220,181.83-87,229.92

Finding the Fourth Proportional to 146,788.68, 220,181.83 and 87,229.92

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Solution

The fourth proportional to 146,788.68, 220,181.83 and 87,229.92 is: 130,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,788.68 : 220,181.83 = 87,229.92 : x
  2. Step 2: Convert to fraction form
    146,788.68/220,181.83 = 87,229.92/x
  3. Step 3: Cross multiply
    146,788.68x = 220,181.83 × 87,229.92
  4. Step 4: Simplify right side
    146,788.68x = 19,206,443,416.35
  5. Step 5: Solve for x
    x = 19,206,443,416.35/146,788.68
  6. Step 6: Final answer
    x = 130,844.17

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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.