Home / 146,280.78-219,410.23-52,786.53

Finding the Fourth Proportional to 146,280.78, 219,410.23 and 52,786.53

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Solution

The fourth proportional to 146,280.78, 219,410.23 and 52,786.53 is: 79,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,280.78 : 219,410.23 = 52,786.53 : x
  2. Step 2: Convert to fraction form
    146,280.78/219,410.23 = 52,786.53/x
  3. Step 3: Cross multiply
    146,280.78x = 219,410.23 × 52,786.53
  4. Step 4: Simplify right side
    146,280.78x = 11,581,904,688.20
  5. Step 5: Solve for x
    x = 11,581,904,688.20/146,280.78
  6. Step 6: Final answer
    x = 79,175.85

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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.