Home / 262,120.48-393,330.05-102,175.60

Finding the Fourth Proportional to 262,120.48, 393,330.05 and 102,175.60

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Solution

The fourth proportional to 262,120.48, 393,330.05 and 102,175.60 is: 153,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,120.48 : 393,330.05 = 102,175.60 : x
  2. Step 2: Convert to fraction form
    262,120.48/393,330.05 = 102,175.60/x
  3. Step 3: Cross multiply
    262,120.48x = 393,330.05 × 102,175.60
  4. Step 4: Simplify right side
    262,120.48x = 40,188,733,856.78
  5. Step 5: Solve for x
    x = 40,188,733,856.78/262,120.48
  6. Step 6: Final answer
    x = 153,321.61

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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.