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Finding the Fourth Proportional to 119,088.76, 178,649.56 and 44,202.54

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Solution

The fourth proportional to 119,088.76, 178,649.56 and 44,202.54 is: 66,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,088.76 : 178,649.56 = 44,202.54 : x
  2. Step 2: Convert to fraction form
    119,088.76/178,649.56 = 44,202.54/x
  3. Step 3: Cross multiply
    119,088.76x = 178,649.56 × 44,202.54
  4. Step 4: Simplify right side
    119,088.76x = 7,896,764,321.88
  5. Step 5: Solve for x
    x = 7,896,764,321.88/119,088.76
  6. Step 6: Final answer
    x = 66,309.90

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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.