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Finding the Fourth Proportional to 89,179.92, 133,790.47 and 30,014.15

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Solution

The fourth proportional to 89,179.92, 133,790.47 and 30,014.15 is: 45,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,179.92 : 133,790.47 = 30,014.15 : x
  2. Step 2: Convert to fraction form
    89,179.92/133,790.47 = 30,014.15/x
  3. Step 3: Cross multiply
    89,179.92x = 133,790.47 × 30,014.15
  4. Step 4: Simplify right side
    89,179.92x = 4,015,606,491.16
  5. Step 5: Solve for x
    x = 4,015,606,491.16/89,179.92
  6. Step 6: Final answer
    x = 45,028.15

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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.