Home / 133,845.64-200,500.77-80,508.16

Finding the Fourth Proportional to 133,845.64, 200,500.77 and 80,508.16

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Solution

The fourth proportional to 133,845.64, 200,500.77 and 80,508.16 is: 120,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,845.64 : 200,500.77 = 80,508.16 : x
  2. Step 2: Convert to fraction form
    133,845.64/200,500.77 = 80,508.16/x
  3. Step 3: Cross multiply
    133,845.64x = 200,500.77 × 80,508.16
  4. Step 4: Simplify right side
    133,845.64x = 16,141,948,071.28
  5. Step 5: Solve for x
    x = 16,141,948,071.28/133,845.64
  6. Step 6: Final answer
    x = 120,601.22

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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.