Home / 128,974.97-193,474.76-50,095.35

Finding the Fourth Proportional to 128,974.97, 193,474.76 and 50,095.35

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Solution

The fourth proportional to 128,974.97, 193,474.76 and 50,095.35 is: 75,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,974.97 : 193,474.76 = 50,095.35 : x
  2. Step 2: Convert to fraction form
    128,974.97/193,474.76 = 50,095.35/x
  3. Step 3: Cross multiply
    128,974.97x = 193,474.76 × 50,095.35
  4. Step 4: Simplify right side
    128,974.97x = 9,692,185,818.37
  5. Step 5: Solve for x
    x = 9,692,185,818.37/128,974.97
  6. Step 6: Final answer
    x = 75,147.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.