Home / 117,291.45-161,858.25-69,516.43

Finding the Fourth Proportional to 117,291.45, 161,858.25 and 69,516.43

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Solution

The fourth proportional to 117,291.45, 161,858.25 and 69,516.43 is: 95,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,291.45 : 161,858.25 = 69,516.43 : x
  2. Step 2: Convert to fraction form
    117,291.45/161,858.25 = 69,516.43/x
  3. Step 3: Cross multiply
    117,291.45x = 161,858.25 × 69,516.43
  4. Step 4: Simplify right side
    117,291.45x = 11,251,807,706.05
  5. Step 5: Solve for x
    x = 11,251,807,706.05/117,291.45
  6. Step 6: Final answer
    x = 95,930.33

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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.