Home / 202,431.10-303,500.85-113,711.80

Finding the Fourth Proportional to 202,431.10, 303,500.85 and 113,711.80

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Solution

The fourth proportional to 202,431.10, 303,500.85 and 113,711.80 is: 170,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,431.10 : 303,500.85 = 113,711.80 : x
  2. Step 2: Convert to fraction form
    202,431.10/303,500.85 = 113,711.80/x
  3. Step 3: Cross multiply
    202,431.10x = 303,500.85 × 113,711.80
  4. Step 4: Simplify right side
    202,431.10x = 34,511,627,955.03
  5. Step 5: Solve for x
    x = 34,511,627,955.03/202,431.10
  6. Step 6: Final answer
    x = 170,485.80

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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.