Home / 102,918.28-154,355.82-29,029

Finding the Fourth Proportional to 102,918.28, 154,355.82 and 29,029

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Solution

The fourth proportional to 102,918.28, 154,355.82 and 29,029 is: 43,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,918.28 : 154,355.82 = 29,029 : x
  2. Step 2: Convert to fraction form
    102,918.28/154,355.82 = 29,029/x
  3. Step 3: Cross multiply
    102,918.28x = 154,355.82 × 29,029
  4. Step 4: Simplify right side
    102,918.28x = 4,480,795,098.78
  5. Step 5: Solve for x
    x = 4,480,795,098.78/102,918.28
  6. Step 6: Final answer
    x = 43,537.41

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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.