Home / 150,999.12-226,499.40-45,819

Finding the Fourth Proportional to 150,999.12, 226,499.40 and 45,819

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Solution

The fourth proportional to 150,999.12, 226,499.40 and 45,819 is: 68,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,999.12 : 226,499.40 = 45,819 : x
  2. Step 2: Convert to fraction form
    150,999.12/226,499.40 = 45,819/x
  3. Step 3: Cross multiply
    150,999.12x = 226,499.40 × 45,819
  4. Step 4: Simplify right side
    150,999.12x = 10,377,976,008.60
  5. Step 5: Solve for x
    x = 10,377,976,008.60/150,999.12
  6. Step 6: Final answer
    x = 68,728.72

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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.