Home / 128,994.50-193,442.06-50,098.34

Finding the Fourth Proportional to 128,994.50, 193,442.06 and 50,098.34

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Solution

The fourth proportional to 128,994.50, 193,442.06 and 50,098.34 is: 75,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,994.50 : 193,442.06 = 50,098.34 : x
  2. Step 2: Convert to fraction form
    128,994.50/193,442.06 = 50,098.34/x
  3. Step 3: Cross multiply
    128,994.50x = 193,442.06 × 50,098.34
  4. Step 4: Simplify right side
    128,994.50x = 9,691,126,092.18
  5. Step 5: Solve for x
    x = 9,691,126,092.18/128,994.50
  6. Step 6: Final answer
    x = 75,128.21

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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.