Home / 90,735.97-136,131.60-46,393.87

Finding the Fourth Proportional to 90,735.97, 136,131.60 and 46,393.87

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Solution

The fourth proportional to 90,735.97, 136,131.60 and 46,393.87 is: 69,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,735.97 : 136,131.60 = 46,393.87 : x
  2. Step 2: Convert to fraction form
    90,735.97/136,131.60 = 46,393.87/x
  3. Step 3: Cross multiply
    90,735.97x = 136,131.60 × 46,393.87
  4. Step 4: Simplify right side
    90,735.97x = 6,315,671,753.29
  5. Step 5: Solve for x
    x = 6,315,671,753.29/90,735.97
  6. Step 6: Final answer
    x = 69,604.94

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1.5x scale

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.