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Finding the Fourth Proportional to 117,568, 162,245.03 and 63,854.07

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Solution

The fourth proportional to 117,568, 162,245.03 and 63,854.07 is: 88,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,568 : 162,245.03 = 63,854.07 : x
  2. Step 2: Convert to fraction form
    117,568/162,245.03 = 63,854.07/x
  3. Step 3: Cross multiply
    117,568x = 162,245.03 × 63,854.07
  4. Step 4: Simplify right side
    117,568x = 10,360,004,691.55
  5. Step 5: Solve for x
    x = 10,360,004,691.55/117,568
  6. Step 6: Final answer
    x = 88,119.26

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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.