Home / 90,260.94-135,469.17-43,553.10

Finding the Fourth Proportional to 90,260.94, 135,469.17 and 43,553.10

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Solution

The fourth proportional to 90,260.94, 135,469.17 and 43,553.10 is: 65,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,260.94 : 135,469.17 = 43,553.10 : x
  2. Step 2: Convert to fraction form
    90,260.94/135,469.17 = 43,553.10/x
  3. Step 3: Cross multiply
    90,260.94x = 135,469.17 × 43,553.10
  4. Step 4: Simplify right side
    90,260.94x = 5,900,102,307.93
  5. Step 5: Solve for x
    x = 5,900,102,307.93/90,260.94
  6. Step 6: Final answer
    x = 65,367.17

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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.