Home / 135,488.10-203,462.55-100,467.30

Finding the Fourth Proportional to 135,488.10, 203,462.55 and 100,467.30

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Solution

The fourth proportional to 135,488.10, 203,462.55 and 100,467.30 is: 150,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,488.10 : 203,462.55 = 100,467.30 : x
  2. Step 2: Convert to fraction form
    135,488.10/203,462.55 = 100,467.30/x
  3. Step 3: Cross multiply
    135,488.10x = 203,462.55 × 100,467.30
  4. Step 4: Simplify right side
    135,488.10x = 20,441,333,049.62
  5. Step 5: Solve for x
    x = 20,441,333,049.62/135,488.10
  6. Step 6: Final answer
    x = 150,871.80

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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.