Home / 99,310.05-148,765.62-45,927.20

Finding the Fourth Proportional to 99,310.05, 148,765.62 and 45,927.20

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Solution

The fourth proportional to 99,310.05, 148,765.62 and 45,927.20 is: 68,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,310.05 : 148,765.62 = 45,927.20 : x
  2. Step 2: Convert to fraction form
    99,310.05/148,765.62 = 45,927.20/x
  3. Step 3: Cross multiply
    99,310.05x = 148,765.62 × 45,927.20
  4. Step 4: Simplify right side
    99,310.05x = 6,832,388,382.86
  5. Step 5: Solve for x
    x = 6,832,388,382.86/99,310.05
  6. Step 6: Final answer
    x = 68,798.56

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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.