Home / 231,174.62-346,789.95-81,384.25

Finding the Fourth Proportional to 231,174.62, 346,789.95 and 81,384.25

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Solution

The fourth proportional to 231,174.62, 346,789.95 and 81,384.25 is: 122,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,174.62 : 346,789.95 = 81,384.25 : x
  2. Step 2: Convert to fraction form
    231,174.62/346,789.95 = 81,384.25/x
  3. Step 3: Cross multiply
    231,174.62x = 346,789.95 × 81,384.25
  4. Step 4: Simplify right side
    231,174.62x = 28,223,239,988.29
  5. Step 5: Solve for x
    x = 28,223,239,988.29/231,174.62
  6. Step 6: Final answer
    x = 122,086.24

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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.