Home / 136,370.45-204,485.62-73,243.69

Finding the Fourth Proportional to 136,370.45, 204,485.62 and 73,243.69

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Solution

The fourth proportional to 136,370.45, 204,485.62 and 73,243.69 is: 109,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,370.45 : 204,485.62 = 73,243.69 : x
  2. Step 2: Convert to fraction form
    136,370.45/204,485.62 = 73,243.69/x
  3. Step 3: Cross multiply
    136,370.45x = 204,485.62 × 73,243.69
  4. Step 4: Simplify right side
    136,370.45x = 14,977,279,972.09
  5. Step 5: Solve for x
    x = 14,977,279,972.09/136,370.45
  6. Step 6: Final answer
    x = 109,827.90

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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.