Home / 152,103.70-228,138.11-39,794.75

Finding the Fourth Proportional to 152,103.70, 228,138.11 and 39,794.75

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Solution

The fourth proportional to 152,103.70, 228,138.11 and 39,794.75 is: 59,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,103.70 : 228,138.11 = 39,794.75 : x
  2. Step 2: Convert to fraction form
    152,103.70/228,138.11 = 39,794.75/x
  3. Step 3: Cross multiply
    152,103.70x = 228,138.11 × 39,794.75
  4. Step 4: Simplify right side
    152,103.70x = 9,078,699,722.75
  5. Step 5: Solve for x
    x = 9,078,699,722.75/152,103.70
  6. Step 6: Final answer
    x = 59,687.57

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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.