Home / 89,183.30-133,788.78-30,014.35

Finding the Fourth Proportional to 89,183.30, 133,788.78 and 30,014.35

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Solution

The fourth proportional to 89,183.30, 133,788.78 and 30,014.35 is: 45,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.30 : 133,788.78 = 30,014.35 : x
  2. Step 2: Convert to fraction form
    89,183.30/133,788.78 = 30,014.35/x
  3. Step 3: Cross multiply
    89,183.30x = 133,788.78 × 30,014.35
  4. Step 4: Simplify right side
    89,183.30x = 4,015,582,934.52
  5. Step 5: Solve for x
    x = 4,015,582,934.52/89,183.30
  6. Step 6: Final answer
    x = 45,026.18

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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.