Home / 217,785.27-300,533.94-120,995.37

Finding the Fourth Proportional to 217,785.27, 300,533.94 and 120,995.37

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Solution

The fourth proportional to 217,785.27, 300,533.94 and 120,995.37 is: 166,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,785.27 : 300,533.94 = 120,995.37 : x
  2. Step 2: Convert to fraction form
    217,785.27/300,533.94 = 120,995.37/x
  3. Step 3: Cross multiply
    217,785.27x = 300,533.94 × 120,995.37
  4. Step 4: Simplify right side
    217,785.27x = 36,363,215,267.86
  5. Step 5: Solve for x
    x = 36,363,215,267.86/217,785.27
  6. Step 6: Final answer
    x = 166,968.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.