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Finding the Fourth Proportional to 119,998.89, 179,875.22 and 45,105.21

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Solution

The fourth proportional to 119,998.89, 179,875.22 and 45,105.21 is: 67,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,998.89 : 179,875.22 = 45,105.21 : x
  2. Step 2: Convert to fraction form
    119,998.89/179,875.22 = 45,105.21/x
  3. Step 3: Cross multiply
    119,998.89x = 179,875.22 × 45,105.21
  4. Step 4: Simplify right side
    119,998.89x = 8,113,309,346.37
  5. Step 5: Solve for x
    x = 8,113,309,346.37/119,998.89
  6. Step 6: Final answer
    x = 67,611.54

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1.5x scale

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.