Home / 136,103.46-204,109.83-57,202.98

Finding the Fourth Proportional to 136,103.46, 204,109.83 and 57,202.98

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Solution

The fourth proportional to 136,103.46, 204,109.83 and 57,202.98 is: 85,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,103.46 : 204,109.83 = 57,202.98 : x
  2. Step 2: Convert to fraction form
    136,103.46/204,109.83 = 57,202.98/x
  3. Step 3: Cross multiply
    136,103.46x = 204,109.83 × 57,202.98
  4. Step 4: Simplify right side
    136,103.46x = 11,675,690,523.29
  5. Step 5: Solve for x
    x = 11,675,690,523.29/136,103.46
  6. Step 6: Final answer
    x = 85,785.41

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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.