Home / 102,914.20-154,371.30-79,586.20

Finding the Fourth Proportional to 102,914.20, 154,371.30 and 79,586.20

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Solution

The fourth proportional to 102,914.20, 154,371.30 and 79,586.20 is: 119,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,914.20 : 154,371.30 = 79,586.20 : x
  2. Step 2: Convert to fraction form
    102,914.20/154,371.30 = 79,586.20/x
  3. Step 3: Cross multiply
    102,914.20x = 154,371.30 × 79,586.20
  4. Step 4: Simplify right side
    102,914.20x = 12,285,825,156.06
  5. Step 5: Solve for x
    x = 12,285,825,156.06/102,914.20
  6. Step 6: Final answer
    x = 119,379.30

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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.