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Finding the Fourth Proportional to 107,134.73, 160,736.04 and 64,486.86

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Solution

The fourth proportional to 107,134.73, 160,736.04 and 64,486.86 is: 96,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,134.73 : 160,736.04 = 64,486.86 : x
  2. Step 2: Convert to fraction form
    107,134.73/160,736.04 = 64,486.86/x
  3. Step 3: Cross multiply
    107,134.73x = 160,736.04 × 64,486.86
  4. Step 4: Simplify right side
    107,134.73x = 10,365,362,508.43
  5. Step 5: Solve for x
    x = 10,365,362,508.43/107,134.73
  6. Step 6: Final answer
    x = 96,750.73

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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.