Home / 132,350.85-198,530.94-42,396.30

Finding the Fourth Proportional to 132,350.85, 198,530.94 and 42,396.30

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Solution

The fourth proportional to 132,350.85, 198,530.94 and 42,396.30 is: 63,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,350.85 : 198,530.94 = 42,396.30 : x
  2. Step 2: Convert to fraction form
    132,350.85/198,530.94 = 42,396.30/x
  3. Step 3: Cross multiply
    132,350.85x = 198,530.94 × 42,396.30
  4. Step 4: Simplify right side
    132,350.85x = 8,416,977,291.52
  5. Step 5: Solve for x
    x = 8,416,977,291.52/132,350.85
  6. Step 6: Final answer
    x = 63,595.94

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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.