Home / 112,203.41-154,854.39-64,456.64

Finding the Fourth Proportional to 112,203.41, 154,854.39 and 64,456.64

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Solution

The fourth proportional to 112,203.41, 154,854.39 and 64,456.64 is: 88,958.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,203.41 : 154,854.39 = 64,456.64 : x
  2. Step 2: Convert to fraction form
    112,203.41/154,854.39 = 64,456.64/x
  3. Step 3: Cross multiply
    112,203.41x = 154,854.39 × 64,456.64
  4. Step 4: Simplify right side
    112,203.41x = 9,981,392,894.38
  5. Step 5: Solve for x
    x = 9,981,392,894.38/112,203.41
  6. Step 6: Final answer
    x = 88,958.02

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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.