Home / 192,174.30-287,872.65-133,076.70

Finding the Fourth Proportional to 192,174.30, 287,872.65 and 133,076.70

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Solution

The fourth proportional to 192,174.30, 287,872.65 and 133,076.70 is: 199,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,174.30 : 287,872.65 = 133,076.70 : x
  2. Step 2: Convert to fraction form
    192,174.30/287,872.65 = 133,076.70/x
  3. Step 3: Cross multiply
    192,174.30x = 287,872.65 × 133,076.70
  4. Step 4: Simplify right side
    192,174.30x = 38,309,142,282.26
  5. Step 5: Solve for x
    x = 38,309,142,282.26/192,174.30
  6. Step 6: Final answer
    x = 199,345.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.