Home / 119,544.72-178,817.67-84,003.54

Finding the Fourth Proportional to 119,544.72, 178,817.67 and 84,003.54

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Solution

The fourth proportional to 119,544.72, 178,817.67 and 84,003.54 is: 125,654.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,544.72 : 178,817.67 = 84,003.54 : x
  2. Step 2: Convert to fraction form
    119,544.72/178,817.67 = 84,003.54/x
  3. Step 3: Cross multiply
    119,544.72x = 178,817.67 × 84,003.54
  4. Step 4: Simplify right side
    119,544.72x = 15,021,317,294.55
  5. Step 5: Solve for x
    x = 15,021,317,294.55/119,544.72
  6. Step 6: Final answer
    x = 125,654.38

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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.