Home / 146,141.88-219,188.13-40,936.65

Finding the Fourth Proportional to 146,141.88, 219,188.13 and 40,936.65

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Solution

The fourth proportional to 146,141.88, 219,188.13 and 40,936.65 is: 61,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,141.88 : 219,188.13 = 40,936.65 : x
  2. Step 2: Convert to fraction form
    146,141.88/219,188.13 = 40,936.65/x
  3. Step 3: Cross multiply
    146,141.88x = 219,188.13 × 40,936.65
  4. Step 4: Simplify right side
    146,141.88x = 8,972,827,761.96
  5. Step 5: Solve for x
    x = 8,972,827,761.96/146,141.88
  6. Step 6: Final answer
    x = 61,398.06

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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.