Home / 88,190.46-121,696.56-49,953.87

Finding the Fourth Proportional to 88,190.46, 121,696.56 and 49,953.87

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Solution

The fourth proportional to 88,190.46, 121,696.56 and 49,953.87 is: 68,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,190.46 : 121,696.56 = 49,953.87 : x
  2. Step 2: Convert to fraction form
    88,190.46/121,696.56 = 49,953.87/x
  3. Step 3: Cross multiply
    88,190.46x = 121,696.56 × 49,953.87
  4. Step 4: Simplify right side
    88,190.46x = 6,079,214,137.69
  5. Step 5: Solve for x
    x = 6,079,214,137.69/88,190.46
  6. Step 6: Final answer
    x = 68,932.79

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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.