Home / 119,845.10-179,770.43-31,102.11

Finding the Fourth Proportional to 119,845.10, 179,770.43 and 31,102.11

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Solution

The fourth proportional to 119,845.10, 179,770.43 and 31,102.11 is: 46,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,845.10 : 179,770.43 = 31,102.11 : x
  2. Step 2: Convert to fraction form
    119,845.10/179,770.43 = 31,102.11/x
  3. Step 3: Cross multiply
    119,845.10x = 179,770.43 × 31,102.11
  4. Step 4: Simplify right side
    119,845.10x = 5,591,239,766.36
  5. Step 5: Solve for x
    x = 5,591,239,766.36/119,845.10
  6. Step 6: Final answer
    x = 46,653.89

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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.