Home / 90,427.14-124,790.94-50,142.60

Finding the Fourth Proportional to 90,427.14, 124,790.94 and 50,142.60

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Solution

The fourth proportional to 90,427.14, 124,790.94 and 50,142.60 is: 69,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.14 : 124,790.94 = 50,142.60 : x
  2. Step 2: Convert to fraction form
    90,427.14/124,790.94 = 50,142.60/x
  3. Step 3: Cross multiply
    90,427.14x = 124,790.94 × 50,142.60
  4. Step 4: Simplify right side
    90,427.14x = 6,257,342,188.04
  5. Step 5: Solve for x
    x = 6,257,342,188.04/90,427.14
  6. Step 6: Final answer
    x = 69,197.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.