Home / 99,713.13-149,537.37-33,135.39

Finding the Fourth Proportional to 99,713.13, 149,537.37 and 33,135.39

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Solution

The fourth proportional to 99,713.13, 149,537.37 and 33,135.39 is: 49,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,713.13 : 149,537.37 = 33,135.39 : x
  2. Step 2: Convert to fraction form
    99,713.13/149,537.37 = 33,135.39/x
  3. Step 3: Cross multiply
    99,713.13x = 149,537.37 × 33,135.39
  4. Step 4: Simplify right side
    99,713.13x = 4,954,979,074.52
  5. Step 5: Solve for x
    x = 4,954,979,074.52/99,713.13
  6. Step 6: Final answer
    x = 49,692.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.