Home / 163,174.50-225,180.56-91,561.18

Finding the Fourth Proportional to 163,174.50, 225,180.56 and 91,561.18

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Solution

The fourth proportional to 163,174.50, 225,180.56 and 91,561.18 is: 126,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,174.50 : 225,180.56 = 91,561.18 : x
  2. Step 2: Convert to fraction form
    163,174.50/225,180.56 = 91,561.18/x
  3. Step 3: Cross multiply
    163,174.50x = 225,180.56 × 91,561.18
  4. Step 4: Simplify right side
    163,174.50x = 20,617,797,786.66
  5. Step 5: Solve for x
    x = 20,617,797,786.66/163,174.50
  6. Step 6: Final answer
    x = 126,354.29

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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.