Home / 147,723.36-203,855.45-90,358.46

Finding the Fourth Proportional to 147,723.36, 203,855.45 and 90,358.46

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Solution

The fourth proportional to 147,723.36, 203,855.45 and 90,358.46 is: 124,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,723.36 : 203,855.45 = 90,358.46 : x
  2. Step 2: Convert to fraction form
    147,723.36/203,855.45 = 90,358.46/x
  3. Step 3: Cross multiply
    147,723.36x = 203,855.45 × 90,358.46
  4. Step 4: Simplify right side
    147,723.36x = 18,420,064,524.61
  5. Step 5: Solve for x
    x = 18,420,064,524.61/147,723.36
  6. Step 6: Final answer
    x = 124,692.97

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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.