Home / 221,724.91-332,670-133,042.06

Finding the Fourth Proportional to 221,724.91, 332,670 and 133,042.06

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Solution

The fourth proportional to 221,724.91, 332,670 and 133,042.06 is: 199,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,724.91 : 332,670 = 133,042.06 : x
  2. Step 2: Convert to fraction form
    221,724.91/332,670 = 133,042.06/x
  3. Step 3: Cross multiply
    221,724.91x = 332,670 × 133,042.06
  4. Step 4: Simplify right side
    221,724.91x = 44,259,102,100.20
  5. Step 5: Solve for x
    x = 44,259,102,100.20/221,724.91
  6. Step 6: Final answer
    x = 199,612.67

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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.