Home / 90,313.44-135,557.64-43,599.12

Finding the Fourth Proportional to 90,313.44, 135,557.64 and 43,599.12

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Solution

The fourth proportional to 90,313.44, 135,557.64 and 43,599.12 is: 65,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,313.44 : 135,557.64 = 43,599.12 : x
  2. Step 2: Convert to fraction form
    90,313.44/135,557.64 = 43,599.12/x
  3. Step 3: Cross multiply
    90,313.44x = 135,557.64 × 43,599.12
  4. Step 4: Simplify right side
    90,313.44x = 5,910,193,813.28
  5. Step 5: Solve for x
    x = 5,910,193,813.28/90,313.44
  6. Step 6: Final answer
    x = 65,440.91

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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.