Home / 152,006.78-228,042.79-45,399.15

Finding the Fourth Proportional to 152,006.78, 228,042.79 and 45,399.15

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Solution

The fourth proportional to 152,006.78, 228,042.79 and 45,399.15 is: 68,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,006.78 : 228,042.79 = 45,399.15 : x
  2. Step 2: Convert to fraction form
    152,006.78/228,042.79 = 45,399.15/x
  3. Step 3: Cross multiply
    152,006.78x = 228,042.79 × 45,399.15
  4. Step 4: Simplify right side
    152,006.78x = 10,352,948,716.13
  5. Step 5: Solve for x
    x = 10,352,948,716.13/152,006.78
  6. Step 6: Final answer
    x = 68,108.47

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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.