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Finding the Fourth Proportional to 131,608.92, 197,291.64 and 64,100.88

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Solution

The fourth proportional to 131,608.92, 197,291.64 and 64,100.88 is: 96,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,608.92 : 197,291.64 = 64,100.88 : x
  2. Step 2: Convert to fraction form
    131,608.92/197,291.64 = 64,100.88/x
  3. Step 3: Cross multiply
    131,608.92x = 197,291.64 × 64,100.88
  4. Step 4: Simplify right side
    131,608.92x = 12,646,567,740.64
  5. Step 5: Solve for x
    x = 12,646,567,740.64/131,608.92
  6. Step 6: Final answer
    x = 96,092.03

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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.