Home / 136,644.06-204,975.81-43,149

Finding the Fourth Proportional to 136,644.06, 204,975.81 and 43,149

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Solution

The fourth proportional to 136,644.06, 204,975.81 and 43,149 is: 64,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,644.06 : 204,975.81 = 43,149 : x
  2. Step 2: Convert to fraction form
    136,644.06/204,975.81 = 43,149/x
  3. Step 3: Cross multiply
    136,644.06x = 204,975.81 × 43,149
  4. Step 4: Simplify right side
    136,644.06x = 8,844,501,225.69
  5. Step 5: Solve for x
    x = 8,844,501,225.69/136,644.06
  6. Step 6: Final answer
    x = 64,726.57

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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.