Home / 133,229.08-200,097.96-77,181.76

Finding the Fourth Proportional to 133,229.08, 200,097.96 and 77,181.76

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Solution

The fourth proportional to 133,229.08, 200,097.96 and 77,181.76 is: 115,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,229.08 : 200,097.96 = 77,181.76 : x
  2. Step 2: Convert to fraction form
    133,229.08/200,097.96 = 77,181.76/x
  3. Step 3: Cross multiply
    133,229.08x = 200,097.96 × 77,181.76
  4. Step 4: Simplify right side
    133,229.08x = 15,443,912,725.21
  5. Step 5: Solve for x
    x = 15,443,912,725.21/133,229.08
  6. Step 6: Final answer
    x = 115,919.98

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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.