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Finding the Fourth Proportional to 146,774.10, 220,161.15 and 100,118.10

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Solution

The fourth proportional to 146,774.10, 220,161.15 and 100,118.10 is: 150,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,774.10 : 220,161.15 = 100,118.10 : x
  2. Step 2: Convert to fraction form
    146,774.10/220,161.15 = 100,118.10/x
  3. Step 3: Cross multiply
    146,774.10x = 220,161.15 × 100,118.10
  4. Step 4: Simplify right side
    146,774.10x = 22,042,116,031.82
  5. Step 5: Solve for x
    x = 22,042,116,031.82/146,774.10
  6. Step 6: Final answer
    x = 150,177.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.