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Finding the Fourth Proportional to 152,137.38, 228,260.13 and 67,889.88

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Solution

The fourth proportional to 152,137.38, 228,260.13 and 67,889.88 is: 101,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,137.38 : 228,260.13 = 67,889.88 : x
  2. Step 2: Convert to fraction form
    152,137.38/228,260.13 = 67,889.88/x
  3. Step 3: Cross multiply
    152,137.38x = 228,260.13 × 67,889.88
  4. Step 4: Simplify right side
    152,137.38x = 15,496,552,834.48
  5. Step 5: Solve for x
    x = 15,496,552,834.48/152,137.38
  6. Step 6: Final answer
    x = 101,858.94

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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.