Home / 133,650.20-200,313.30-77,382.20

Finding the Fourth Proportional to 133,650.20, 200,313.30 and 77,382.20

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Solution

The fourth proportional to 133,650.20, 200,313.30 and 77,382.20 is: 115,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,650.20 : 200,313.30 = 77,382.20 : x
  2. Step 2: Convert to fraction form
    133,650.20/200,313.30 = 77,382.20/x
  3. Step 3: Cross multiply
    133,650.20x = 200,313.30 × 77,382.20
  4. Step 4: Simplify right side
    133,650.20x = 15,500,683,843.26
  5. Step 5: Solve for x
    x = 15,500,683,843.26/133,650.20
  6. Step 6: Final answer
    x = 115,979.50

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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.