Home / 133,074.19-199,644.03-39,579.94

Finding the Fourth Proportional to 133,074.19, 199,644.03 and 39,579.94

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Solution

The fourth proportional to 133,074.19, 199,644.03 and 39,579.94 is: 59,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.19 : 199,644.03 = 39,579.94 : x
  2. Step 2: Convert to fraction form
    133,074.19/199,644.03 = 39,579.94/x
  3. Step 3: Cross multiply
    133,074.19x = 199,644.03 × 39,579.94
  4. Step 4: Simplify right side
    133,074.19x = 7,901,898,530.86
  5. Step 5: Solve for x
    x = 7,901,898,530.86/133,074.19
  6. Step 6: Final answer
    x = 59,379.65

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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.