Home / 192,078.28-265,083.04-107,208.10

Finding the Fourth Proportional to 192,078.28, 265,083.04 and 107,208.10

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Solution

The fourth proportional to 192,078.28, 265,083.04 and 107,208.10 is: 147,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,078.28 : 265,083.04 = 107,208.10 : x
  2. Step 2: Convert to fraction form
    192,078.28/265,083.04 = 107,208.10/x
  3. Step 3: Cross multiply
    192,078.28x = 265,083.04 × 107,208.10
  4. Step 4: Simplify right side
    192,078.28x = 28,419,049,060.62
  5. Step 5: Solve for x
    x = 28,419,049,060.62/192,078.28
  6. Step 6: Final answer
    x = 147,955.56

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1.5x scale

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.