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Finding the Fourth Proportional to 159,044, 219,457 and 91,050.24

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Solution

The fourth proportional to 159,044, 219,457 and 91,050.24 is: 125,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,044 : 219,457 = 91,050.24 : x
  2. Step 2: Convert to fraction form
    159,044/219,457 = 91,050.24/x
  3. Step 3: Cross multiply
    159,044x = 219,457 × 91,050.24
  4. Step 4: Simplify right side
    159,044x = 19,981,612,519.68
  5. Step 5: Solve for x
    x = 19,981,612,519.68/159,044
  6. Step 6: Final answer
    x = 125,635.75

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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.