Home / 140,286.32-193,187.36-121,880.94

Finding the Fourth Proportional to 140,286.32, 193,187.36 and 121,880.94

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Solution

The fourth proportional to 140,286.32, 193,187.36 and 121,880.94 is: 167,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,286.32 : 193,187.36 = 121,880.94 : x
  2. Step 2: Convert to fraction form
    140,286.32/193,187.36 = 121,880.94/x
  3. Step 3: Cross multiply
    140,286.32x = 193,187.36 × 121,880.94
  4. Step 4: Simplify right side
    140,286.32x = 23,545,857,032.92
  5. Step 5: Solve for x
    x = 23,545,857,032.92/140,286.32
  6. Step 6: Final answer
    x = 167,841.43

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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.