Home / 159,388.36-219,882.06-102,817.96

Finding the Fourth Proportional to 159,388.36, 219,882.06 and 102,817.96

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Solution

The fourth proportional to 159,388.36, 219,882.06 and 102,817.96 is: 141,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,388.36 : 219,882.06 = 102,817.96 : x
  2. Step 2: Convert to fraction form
    159,388.36/219,882.06 = 102,817.96/x
  3. Step 3: Cross multiply
    159,388.36x = 219,882.06 × 102,817.96
  4. Step 4: Simplify right side
    159,388.36x = 22,607,824,849.80
  5. Step 5: Solve for x
    x = 22,607,824,849.80/159,388.36
  6. Step 6: Final answer
    x = 141,841.13

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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.