Home / 217,533.72-300,192-120,731.94

Finding the Fourth Proportional to 217,533.72, 300,192 and 120,731.94

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Solution

The fourth proportional to 217,533.72, 300,192 and 120,731.94 is: 166,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,533.72 : 300,192 = 120,731.94 : x
  2. Step 2: Convert to fraction form
    217,533.72/300,192 = 120,731.94/x
  3. Step 3: Cross multiply
    217,533.72x = 300,192 × 120,731.94
  4. Step 4: Simplify right side
    217,533.72x = 36,242,762,532.48
  5. Step 5: Solve for x
    x = 36,242,762,532.48/217,533.72
  6. Step 6: Final answer
    x = 166,607.56

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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.