Home / 117,854.39-162,635.94-64,138.26

Finding the Fourth Proportional to 117,854.39, 162,635.94 and 64,138.26

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Solution

The fourth proportional to 117,854.39, 162,635.94 and 64,138.26 is: 88,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,854.39 : 162,635.94 = 64,138.26 : x
  2. Step 2: Convert to fraction form
    117,854.39/162,635.94 = 64,138.26/x
  3. Step 3: Cross multiply
    117,854.39x = 162,635.94 × 64,138.26
  4. Step 4: Simplify right side
    117,854.39x = 10,431,186,205.06
  5. Step 5: Solve for x
    x = 10,431,186,205.06/117,854.39
  6. Step 6: Final answer
    x = 88,509.11

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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.