Home / 192,388.20-265,496.54-105,175.08

Finding the Fourth Proportional to 192,388.20, 265,496.54 and 105,175.08

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Solution

The fourth proportional to 192,388.20, 265,496.54 and 105,175.08 is: 145,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,388.20 : 265,496.54 = 105,175.08 : x
  2. Step 2: Convert to fraction form
    192,388.20/265,496.54 = 105,175.08/x
  3. Step 3: Cross multiply
    192,388.20x = 265,496.54 × 105,175.08
  4. Step 4: Simplify right side
    192,388.20x = 27,923,619,834.22
  5. Step 5: Solve for x
    x = 27,923,619,834.22/192,388.20
  6. Step 6: Final answer
    x = 145,142.06

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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.