Home / 217,629.06-300,337.47-120,832.92

Finding the Fourth Proportional to 217,629.06, 300,337.47 and 120,832.92

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Solution

The fourth proportional to 217,629.06, 300,337.47 and 120,832.92 is: 166,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,629.06 : 300,337.47 = 120,832.92 : x
  2. Step 2: Convert to fraction form
    217,629.06/300,337.47 = 120,832.92/x
  3. Step 3: Cross multiply
    217,629.06x = 300,337.47 × 120,832.92
  4. Step 4: Simplify right side
    217,629.06x = 36,290,653,485.51
  5. Step 5: Solve for x
    x = 36,290,653,485.51/217,629.06
  6. Step 6: Final answer
    x = 166,754.63

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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.