Home / 90,436.23-124,793.82-50,149.87

Finding the Fourth Proportional to 90,436.23, 124,793.82 and 50,149.87

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Solution

The fourth proportional to 90,436.23, 124,793.82 and 50,149.87 is: 69,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,436.23 : 124,793.82 = 50,149.87 : x
  2. Step 2: Convert to fraction form
    90,436.23/124,793.82 = 50,149.87/x
  3. Step 3: Cross multiply
    90,436.23x = 124,793.82 × 50,149.87
  4. Step 4: Simplify right side
    90,436.23x = 6,258,393,537.82
  5. Step 5: Solve for x
    x = 6,258,393,537.82/90,436.23
  6. Step 6: Final answer
    x = 69,202.28

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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.