Home / 202,394.10-303,785.55-102,666.90

Finding the Fourth Proportional to 202,394.10, 303,785.55 and 102,666.90

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Solution

The fourth proportional to 202,394.10, 303,785.55 and 102,666.90 is: 154,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,394.10 : 303,785.55 = 102,666.90 : x
  2. Step 2: Convert to fraction form
    202,394.10/303,785.55 = 102,666.90/x
  3. Step 3: Cross multiply
    202,394.10x = 303,785.55 × 102,666.90
  4. Step 4: Simplify right side
    202,394.10x = 31,188,720,683.30
  5. Step 5: Solve for x
    x = 31,188,720,683.30/202,394.10
  6. Step 6: Final answer
    x = 154,098.96

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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.