Home / 90,733.97-136,128.60-46,391.87

Finding the Fourth Proportional to 90,733.97, 136,128.60 and 46,391.87

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Solution

The fourth proportional to 90,733.97, 136,128.60 and 46,391.87 is: 69,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733.97 : 136,128.60 = 46,391.87 : x
  2. Step 2: Convert to fraction form
    90,733.97/136,128.60 = 46,391.87/x
  3. Step 3: Cross multiply
    90,733.97x = 136,128.60 × 46,391.87
  4. Step 4: Simplify right side
    90,733.97x = 6,315,260,654.80
  5. Step 5: Solve for x
    x = 6,315,260,654.80/90,733.97
  6. Step 6: Final answer
    x = 69,601.94

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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.