Home / 148,605.72-222,942.56-64,379.89

Finding the Fourth Proportional to 148,605.72, 222,942.56 and 64,379.89

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Solution

The fourth proportional to 148,605.72, 222,942.56 and 64,379.89 is: 96,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,605.72 : 222,942.56 = 64,379.89 : x
  2. Step 2: Convert to fraction form
    148,605.72/222,942.56 = 64,379.89/x
  3. Step 3: Cross multiply
    148,605.72x = 222,942.56 × 64,379.89
  4. Step 4: Simplify right side
    148,605.72x = 14,353,017,489.12
  5. Step 5: Solve for x
    x = 14,353,017,489.12/148,605.72
  6. Step 6: Final answer
    x = 96,584.56

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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.