Home / 217,630.06-300,338.85-120,833.92

Finding the Fourth Proportional to 217,630.06, 300,338.85 and 120,833.92

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Solution

The fourth proportional to 217,630.06, 300,338.85 and 120,833.92 is: 166,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,630.06 : 300,338.85 = 120,833.92 : x
  2. Step 2: Convert to fraction form
    217,630.06/300,338.85 = 120,833.92/x
  3. Step 3: Cross multiply
    217,630.06x = 300,338.85 × 120,833.92
  4. Step 4: Simplify right side
    217,630.06x = 36,291,120,573.79
  5. Step 5: Solve for x
    x = 36,291,120,573.79/217,630.06
  6. Step 6: Final answer
    x = 166,756.01

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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.