Home / 76,260.15-114,396.84-20,099.88

Finding the Fourth Proportional to 76,260.15, 114,396.84 and 20,099.88

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Solution

The fourth proportional to 76,260.15, 114,396.84 and 20,099.88 is: 30,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,260.15 : 114,396.84 = 20,099.88 : x
  2. Step 2: Convert to fraction form
    76,260.15/114,396.84 = 20,099.88/x
  3. Step 3: Cross multiply
    76,260.15x = 114,396.84 × 20,099.88
  4. Step 4: Simplify right side
    76,260.15x = 2,299,362,756.38
  5. Step 5: Solve for x
    x = 2,299,362,756.38/76,260.15
  6. Step 6: Final answer
    x = 30,151.56

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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.