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Finding the Fourth Proportional to 159,889.33, 220,676.16 and 95,362.71

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Solution

The fourth proportional to 159,889.33, 220,676.16 and 95,362.71 is: 131,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,889.33 : 220,676.16 = 95,362.71 : x
  2. Step 2: Convert to fraction form
    159,889.33/220,676.16 = 95,362.71/x
  3. Step 3: Cross multiply
    159,889.33x = 220,676.16 × 95,362.71
  4. Step 4: Simplify right side
    159,889.33x = 21,044,276,649.99
  5. Step 5: Solve for x
    x = 21,044,276,649.99/159,889.33
  6. Step 6: Final answer
    x = 131,617.77

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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.