Home / 88,198.64-121,712.32-49,957.52

Finding the Fourth Proportional to 88,198.64, 121,712.32 and 49,957.52

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Solution

The fourth proportional to 88,198.64, 121,712.32 and 49,957.52 is: 68,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,198.64 : 121,712.32 = 49,957.52 : x
  2. Step 2: Convert to fraction form
    88,198.64/121,712.32 = 49,957.52/x
  3. Step 3: Cross multiply
    88,198.64x = 121,712.32 × 49,957.52
  4. Step 4: Simplify right side
    88,198.64x = 6,080,445,660.65
  5. Step 5: Solve for x
    x = 6,080,445,660.65/88,198.64
  6. Step 6: Final answer
    x = 68,940.36

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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.