Home / 131,455.44-197,163.36-48,330

Finding the Fourth Proportional to 131,455.44, 197,163.36 and 48,330

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Solution

The fourth proportional to 131,455.44, 197,163.36 and 48,330 is: 72,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,455.44 : 197,163.36 = 48,330 : x
  2. Step 2: Convert to fraction form
    131,455.44/197,163.36 = 48,330/x
  3. Step 3: Cross multiply
    131,455.44x = 197,163.36 × 48,330
  4. Step 4: Simplify right side
    131,455.44x = 9,528,905,188.80
  5. Step 5: Solve for x
    x = 9,528,905,188.80/131,455.44
  6. Step 6: Final answer
    x = 72,487.72

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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.