Home / 152,163.78-228,245.70-118,833.90

Finding the Fourth Proportional to 152,163.78, 228,245.70 and 118,833.90

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Solution

The fourth proportional to 152,163.78, 228,245.70 and 118,833.90 is: 178,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,163.78 : 228,245.70 = 118,833.90 : x
  2. Step 2: Convert to fraction form
    152,163.78/228,245.70 = 118,833.90/x
  3. Step 3: Cross multiply
    152,163.78x = 228,245.70 × 118,833.90
  4. Step 4: Simplify right side
    152,163.78x = 27,123,326,689.23
  5. Step 5: Solve for x
    x = 27,123,326,689.23/152,163.78
  6. Step 6: Final answer
    x = 178,250.87

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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.