Home / 163,556.20-225,731.46-91,942.12

Finding the Fourth Proportional to 163,556.20, 225,731.46 and 91,942.12

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Solution

The fourth proportional to 163,556.20, 225,731.46 and 91,942.12 is: 126,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,556.20 : 225,731.46 = 91,942.12 : x
  2. Step 2: Convert to fraction form
    163,556.20/225,731.46 = 91,942.12/x
  3. Step 3: Cross multiply
    163,556.20x = 225,731.46 × 91,942.12
  4. Step 4: Simplify right side
    163,556.20x = 20,754,228,983.10
  5. Step 5: Solve for x
    x = 20,754,228,983.10/163,556.20
  6. Step 6: Final answer
    x = 126,893.56

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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.