Home / 225,884.20-311,729.96-135,222.60

Finding the Fourth Proportional to 225,884.20, 311,729.96 and 135,222.60

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Solution

The fourth proportional to 225,884.20, 311,729.96 and 135,222.60 is: 186,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,884.20 : 311,729.96 = 135,222.60 : x
  2. Step 2: Convert to fraction form
    225,884.20/311,729.96 = 135,222.60/x
  3. Step 3: Cross multiply
    225,884.20x = 311,729.96 × 135,222.60
  4. Step 4: Simplify right side
    225,884.20x = 42,152,935,689.10
  5. Step 5: Solve for x
    x = 42,152,935,689.10/225,884.20
  6. Step 6: Final answer
    x = 186,613.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.