Home / 109,715.22-164,520.90-50,533.38

Finding the Fourth Proportional to 109,715.22, 164,520.90 and 50,533.38

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Solution

The fourth proportional to 109,715.22, 164,520.90 and 50,533.38 is: 75,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,715.22 : 164,520.90 = 50,533.38 : x
  2. Step 2: Convert to fraction form
    109,715.22/164,520.90 = 50,533.38/x
  3. Step 3: Cross multiply
    109,715.22x = 164,520.90 × 50,533.38
  4. Step 4: Simplify right side
    109,715.22x = 8,313,797,157.64
  5. Step 5: Solve for x
    x = 8,313,797,157.64/109,715.22
  6. Step 6: Final answer
    x = 75,776.15

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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.