Home / 146,724.48-219,940.92-87,471.36

Finding the Fourth Proportional to 146,724.48, 219,940.92 and 87,471.36

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Solution

The fourth proportional to 146,724.48, 219,940.92 and 87,471.36 is: 131,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,724.48 : 219,940.92 = 87,471.36 : x
  2. Step 2: Convert to fraction form
    146,724.48/219,940.92 = 87,471.36/x
  3. Step 3: Cross multiply
    146,724.48x = 219,940.92 × 87,471.36
  4. Step 4: Simplify right side
    146,724.48x = 19,238,531,392.05
  5. Step 5: Solve for x
    x = 19,238,531,392.05/146,724.48
  6. Step 6: Final answer
    x = 131,120.12

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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.