Home / 109,217.20-163,898.70-61,832.20

Finding the Fourth Proportional to 109,217.20, 163,898.70 and 61,832.20

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Solution

The fourth proportional to 109,217.20, 163,898.70 and 61,832.20 is: 92,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,217.20 : 163,898.70 = 61,832.20 : x
  2. Step 2: Convert to fraction form
    109,217.20/163,898.70 = 61,832.20/x
  3. Step 3: Cross multiply
    109,217.20x = 163,898.70 × 61,832.20
  4. Step 4: Simplify right side
    109,217.20x = 10,134,217,198.14
  5. Step 5: Solve for x
    x = 10,134,217,198.14/109,217.20
  6. Step 6: Final answer
    x = 92,789.57

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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.