Home / 117,853.92-162,635.29-64,137.79

Finding the Fourth Proportional to 117,853.92, 162,635.29 and 64,137.79

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Solution

The fourth proportional to 117,853.92, 162,635.29 and 64,137.79 is: 88,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,853.92 : 162,635.29 = 64,137.79 : x
  2. Step 2: Convert to fraction form
    117,853.92/162,635.29 = 64,137.79/x
  3. Step 3: Cross multiply
    117,853.92x = 162,635.29 × 64,137.79
  4. Step 4: Simplify right side
    117,853.92x = 10,431,067,870.45
  5. Step 5: Solve for x
    x = 10,431,067,870.45/117,853.92
  6. Step 6: Final answer
    x = 88,508.45

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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.