Home / 146,505.78-219,827.04-51,807.69

Finding the Fourth Proportional to 146,505.78, 219,827.04 and 51,807.69

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Solution

The fourth proportional to 146,505.78, 219,827.04 and 51,807.69 is: 77,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,505.78 : 219,827.04 = 51,807.69 : x
  2. Step 2: Convert to fraction form
    146,505.78/219,827.04 = 51,807.69/x
  3. Step 3: Cross multiply
    146,505.78x = 219,827.04 × 51,807.69
  4. Step 4: Simplify right side
    146,505.78x = 11,388,731,141.94
  5. Step 5: Solve for x
    x = 11,388,731,141.94/146,505.78
  6. Step 6: Final answer
    x = 77,735.71

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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.