Home / 90,288.15-135,453.83-37,668.39

Finding the Fourth Proportional to 90,288.15, 135,453.83 and 37,668.39

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Solution

The fourth proportional to 90,288.15, 135,453.83 and 37,668.39 is: 56,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288.15 : 135,453.83 = 37,668.39 : x
  2. Step 2: Convert to fraction form
    90,288.15/135,453.83 = 37,668.39/x
  3. Step 3: Cross multiply
    90,288.15x = 135,453.83 × 37,668.39
  4. Step 4: Simplify right side
    90,288.15x = 5,102,327,507.09
  5. Step 5: Solve for x
    x = 5,102,327,507.09/90,288.15
  6. Step 6: Final answer
    x = 56,511.60

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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.