Home / 152,105.20-228,140.36-39,796.26

Finding the Fourth Proportional to 152,105.20, 228,140.36 and 39,796.26

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Solution

The fourth proportional to 152,105.20, 228,140.36 and 39,796.26 is: 59,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,105.20 : 228,140.36 = 39,796.26 : x
  2. Step 2: Convert to fraction form
    152,105.20/228,140.36 = 39,796.26/x
  3. Step 3: Cross multiply
    152,105.20x = 228,140.36 × 39,796.26
  4. Step 4: Simplify right side
    152,105.20x = 9,079,133,083.05
  5. Step 5: Solve for x
    x = 9,079,133,083.05/152,105.20
  6. Step 6: Final answer
    x = 59,689.83

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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.