Home / 90,509.24-135,710.94-27,310.40

Finding the Fourth Proportional to 90,509.24, 135,710.94 and 27,310.40

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Solution

The fourth proportional to 90,509.24, 135,710.94 and 27,310.40 is: 40,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,509.24 : 135,710.94 = 27,310.40 : x
  2. Step 2: Convert to fraction form
    90,509.24/135,710.94 = 27,310.40/x
  3. Step 3: Cross multiply
    90,509.24x = 135,710.94 × 27,310.40
  4. Step 4: Simplify right side
    90,509.24x = 3,706,320,055.78
  5. Step 5: Solve for x
    x = 3,706,320,055.78/90,509.24
  6. Step 6: Final answer
    x = 40,949.63

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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.