Home / 109,057.22-163,515.36-52,107.74

Finding the Fourth Proportional to 109,057.22, 163,515.36 and 52,107.74

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Solution

The fourth proportional to 109,057.22, 163,515.36 and 52,107.74 is: 78,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,057.22 : 163,515.36 = 52,107.74 : x
  2. Step 2: Convert to fraction form
    109,057.22/163,515.36 = 52,107.74/x
  3. Step 3: Cross multiply
    109,057.22x = 163,515.36 × 52,107.74
  4. Step 4: Simplify right side
    109,057.22x = 8,520,416,469.08
  5. Step 5: Solve for x
    x = 8,520,416,469.08/109,057.22
  6. Step 6: Final answer
    x = 78,127.94

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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.