Home / 90,299.36-135,395.58-36,975.44

Finding the Fourth Proportional to 90,299.36, 135,395.58 and 36,975.44

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Solution

The fourth proportional to 90,299.36, 135,395.58 and 36,975.44 is: 55,441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,299.36 : 135,395.58 = 36,975.44 : x
  2. Step 2: Convert to fraction form
    90,299.36/135,395.58 = 36,975.44/x
  3. Step 3: Cross multiply
    90,299.36x = 135,395.58 × 36,975.44
  4. Step 4: Simplify right side
    90,299.36x = 5,006,311,144.56
  5. Step 5: Solve for x
    x = 5,006,311,144.56/90,299.36
  6. Step 6: Final answer
    x = 55,441.27

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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.