Home / 217,528.53-300,174.03-120,737.31

Finding the Fourth Proportional to 217,528.53, 300,174.03 and 120,737.31

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Solution

The fourth proportional to 217,528.53, 300,174.03 and 120,737.31 is: 166,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,528.53 : 300,174.03 = 120,737.31 : x
  2. Step 2: Convert to fraction form
    217,528.53/300,174.03 = 120,737.31/x
  3. Step 3: Cross multiply
    217,528.53x = 300,174.03 × 120,737.31
  4. Step 4: Simplify right side
    217,528.53x = 36,242,204,914.06
  5. Step 5: Solve for x
    x = 36,242,204,914.06/217,528.53
  6. Step 6: Final answer
    x = 166,608.97

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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.