Home / 223,414.13-335,359.95-90,381.35

Finding the Fourth Proportional to 223,414.13, 335,359.95 and 90,381.35

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Solution

The fourth proportional to 223,414.13, 335,359.95 and 90,381.35 is: 135,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,414.13 : 335,359.95 = 90,381.35 : x
  2. Step 2: Convert to fraction form
    223,414.13/335,359.95 = 90,381.35/x
  3. Step 3: Cross multiply
    223,414.13x = 335,359.95 × 90,381.35
  4. Step 4: Simplify right side
    223,414.13x = 30,310,285,516.40
  5. Step 5: Solve for x
    x = 30,310,285,516.40/223,414.13
  6. Step 6: Final answer
    x = 135,668.61

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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.