Home / 147,723.13-203,855.15-90,358.24

Finding the Fourth Proportional to 147,723.13, 203,855.15 and 90,358.24

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Solution

The fourth proportional to 147,723.13, 203,855.15 and 90,358.24 is: 124,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,723.13 : 203,855.15 = 90,358.24 : x
  2. Step 2: Convert to fraction form
    147,723.13/203,855.15 = 90,358.24/x
  3. Step 3: Cross multiply
    147,723.13x = 203,855.15 × 90,358.24
  4. Step 4: Simplify right side
    147,723.13x = 18,419,992,568.94
  5. Step 5: Solve for x
    x = 18,419,992,568.94/147,723.13
  6. Step 6: Final answer
    x = 124,692.68

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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.