Home / 221,612.67-332,189.10-103,186.62

Finding the Fourth Proportional to 221,612.67, 332,189.10 and 103,186.62

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Solution

The fourth proportional to 221,612.67, 332,189.10 and 103,186.62 is: 154,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,612.67 : 332,189.10 = 103,186.62 : x
  2. Step 2: Convert to fraction form
    221,612.67/332,189.10 = 103,186.62/x
  3. Step 3: Cross multiply
    221,612.67x = 332,189.10 × 103,186.62
  4. Step 4: Simplify right side
    221,612.67x = 34,277,470,429.84
  5. Step 5: Solve for x
    x = 34,277,470,429.84/221,612.67
  6. Step 6: Final answer
    x = 154,672.88

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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.