Home / 118,398.73-163,390.82-64,684.64

Finding the Fourth Proportional to 118,398.73, 163,390.82 and 64,684.64

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Solution

The fourth proportional to 118,398.73, 163,390.82 and 64,684.64 is: 89,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,398.73 : 163,390.82 = 64,684.64 : x
  2. Step 2: Convert to fraction form
    118,398.73/163,390.82 = 64,684.64/x
  3. Step 3: Cross multiply
    118,398.73x = 163,390.82 × 64,684.64
  4. Step 4: Simplify right side
    118,398.73x = 10,568,876,371.00
  5. Step 5: Solve for x
    x = 10,568,876,371.00/118,398.73
  6. Step 6: Final answer
    x = 89,265.12

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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.