Home / 163,102.28-225,093.43-90,518.85

Finding the Fourth Proportional to 163,102.28, 225,093.43 and 90,518.85

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Solution

The fourth proportional to 163,102.28, 225,093.43 and 90,518.85 is: 124,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,102.28 : 225,093.43 = 90,518.85 : x
  2. Step 2: Convert to fraction form
    163,102.28/225,093.43 = 90,518.85/x
  3. Step 3: Cross multiply
    163,102.28x = 225,093.43 × 90,518.85
  4. Step 4: Simplify right side
    163,102.28x = 20,375,198,426.16
  5. Step 5: Solve for x
    x = 20,375,198,426.16/163,102.28
  6. Step 6: Final answer
    x = 124,922.83

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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.