Home / 217,243.01-299,739.06-131,133.93

Finding the Fourth Proportional to 217,243.01, 299,739.06 and 131,133.93

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Solution

The fourth proportional to 217,243.01, 299,739.06 and 131,133.93 is: 180,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,243.01 : 299,739.06 = 131,133.93 : x
  2. Step 2: Convert to fraction form
    217,243.01/299,739.06 = 131,133.93/x
  3. Step 3: Cross multiply
    217,243.01x = 299,739.06 × 131,133.93
  4. Step 4: Simplify right side
    217,243.01x = 39,305,960,912.31
  5. Step 5: Solve for x
    x = 39,305,960,912.31/217,243.01
  6. Step 6: Final answer
    x = 180,930.85

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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.