Home / 99,537.20-149,305.80-73,293.20

Finding the Fourth Proportional to 99,537.20, 149,305.80 and 73,293.20

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Solution

The fourth proportional to 99,537.20, 149,305.80 and 73,293.20 is: 109,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,537.20 : 149,305.80 = 73,293.20 : x
  2. Step 2: Convert to fraction form
    99,537.20/149,305.80 = 73,293.20/x
  3. Step 3: Cross multiply
    99,537.20x = 149,305.80 × 73,293.20
  4. Step 4: Simplify right side
    99,537.20x = 10,943,099,860.56
  5. Step 5: Solve for x
    x = 10,943,099,860.56/99,537.20
  6. Step 6: Final answer
    x = 109,939.80

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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.