Home / 136,285.05-204,469.45-69,771.87

Finding the Fourth Proportional to 136,285.05, 204,469.45 and 69,771.87

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Solution

The fourth proportional to 136,285.05, 204,469.45 and 69,771.87 is: 104,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,285.05 : 204,469.45 = 69,771.87 : x
  2. Step 2: Convert to fraction form
    136,285.05/204,469.45 = 69,771.87/x
  3. Step 3: Cross multiply
    136,285.05x = 204,469.45 × 69,771.87
  4. Step 4: Simplify right side
    136,285.05x = 14,266,215,884.37
  5. Step 5: Solve for x
    x = 14,266,215,884.37/136,285.05
  6. Step 6: Final answer
    x = 104,679.24

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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.