Home / 90,313.87-135,465.59-27,132.64

Finding the Fourth Proportional to 90,313.87, 135,465.59 and 27,132.64

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Solution

The fourth proportional to 90,313.87, 135,465.59 and 27,132.64 is: 40,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,313.87 : 135,465.59 = 27,132.64 : x
  2. Step 2: Convert to fraction form
    90,313.87/135,465.59 = 27,132.64/x
  3. Step 3: Cross multiply
    90,313.87x = 135,465.59 × 27,132.64
  4. Step 4: Simplify right side
    90,313.87x = 3,675,538,815.03
  5. Step 5: Solve for x
    x = 3,675,538,815.03/90,313.87
  6. Step 6: Final answer
    x = 40,697.39

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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.