Home / 221,313.40-332,078.10-102,923.80

Finding the Fourth Proportional to 221,313.40, 332,078.10 and 102,923.80

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Solution

The fourth proportional to 221,313.40, 332,078.10 and 102,923.80 is: 154,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,313.40 : 332,078.10 = 102,923.80 : x
  2. Step 2: Convert to fraction form
    221,313.40/332,078.10 = 102,923.80/x
  3. Step 3: Cross multiply
    221,313.40x = 332,078.10 × 102,923.80
  4. Step 4: Simplify right side
    221,313.40x = 34,178,739,948.78
  5. Step 5: Solve for x
    x = 34,178,739,948.78/221,313.40
  6. Step 6: Final answer
    x = 154,435.93

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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.