Home / 115,750.27-159,741.56-64,759.96

Finding the Fourth Proportional to 115,750.27, 159,741.56 and 64,759.96

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Solution

The fourth proportional to 115,750.27, 159,741.56 and 64,759.96 is: 89,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,750.27 : 159,741.56 = 64,759.96 : x
  2. Step 2: Convert to fraction form
    115,750.27/159,741.56 = 64,759.96/x
  3. Step 3: Cross multiply
    115,750.27x = 159,741.56 × 64,759.96
  4. Step 4: Simplify right side
    115,750.27x = 10,344,857,035.94
  5. Step 5: Solve for x
    x = 10,344,857,035.94/115,750.27
  6. Step 6: Final answer
    x = 89,372.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.