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Finding the Fourth Proportional to 64,137.12, 96,207.12 and 22,016.88

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Solution

The fourth proportional to 64,137.12, 96,207.12 and 22,016.88 is: 33,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,137.12 : 96,207.12 = 22,016.88 : x
  2. Step 2: Convert to fraction form
    64,137.12/96,207.12 = 22,016.88/x
  3. Step 3: Cross multiply
    64,137.12x = 96,207.12 × 22,016.88
  4. Step 4: Simplify right side
    64,137.12x = 2,118,180,616.19
  5. Step 5: Solve for x
    x = 2,118,180,616.19/64,137.12
  6. Step 6: Final answer
    x = 33,025.81

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1.5x scale

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.