Home / 146,131.62-201,626.77-100,795.11

Finding the Fourth Proportional to 146,131.62, 201,626.77 and 100,795.11

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Solution

The fourth proportional to 146,131.62, 201,626.77 and 100,795.11 is: 139,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,131.62 : 201,626.77 = 100,795.11 : x
  2. Step 2: Convert to fraction form
    146,131.62/201,626.77 = 100,795.11/x
  3. Step 3: Cross multiply
    146,131.62x = 201,626.77 × 100,795.11
  4. Step 4: Simplify right side
    146,131.62x = 20,322,992,461.09
  5. Step 5: Solve for x
    x = 20,322,992,461.09/146,131.62
  6. Step 6: Final answer
    x = 139,073.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.