Home / 154,511.20-231,709.20-60,997.60

Finding the Fourth Proportional to 154,511.20, 231,709.20 and 60,997.60

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Solution

The fourth proportional to 154,511.20, 231,709.20 and 60,997.60 is: 91,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,511.20 : 231,709.20 = 60,997.60 : x
  2. Step 2: Convert to fraction form
    154,511.20/231,709.20 = 60,997.60/x
  3. Step 3: Cross multiply
    154,511.20x = 231,709.20 × 60,997.60
  4. Step 4: Simplify right side
    154,511.20x = 14,133,705,097.92
  5. Step 5: Solve for x
    x = 14,133,705,097.92/154,511.20
  6. Step 6: Final answer
    x = 91,473.66

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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.