Home / 223,531.20-335,078.10-90,233.55

Finding the Fourth Proportional to 223,531.20, 335,078.10 and 90,233.55

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Solution

The fourth proportional to 223,531.20, 335,078.10 and 90,233.55 is: 135,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,531.20 : 335,078.10 = 90,233.55 : x
  2. Step 2: Convert to fraction form
    223,531.20/335,078.10 = 90,233.55/x
  3. Step 3: Cross multiply
    223,531.20x = 335,078.10 × 90,233.55
  4. Step 4: Simplify right side
    223,531.20x = 30,235,286,490.26
  5. Step 5: Solve for x
    x = 30,235,286,490.26/223,531.20
  6. Step 6: Final answer
    x = 135,262.04

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1.5x scale

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.