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Finding the Fourth Proportional to 136,495.70, 204,744.03 and 41,725.51

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Solution

The fourth proportional to 136,495.70, 204,744.03 and 41,725.51 is: 62,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,495.70 : 204,744.03 = 41,725.51 : x
  2. Step 2: Convert to fraction form
    136,495.70/204,744.03 = 41,725.51/x
  3. Step 3: Cross multiply
    136,495.70x = 204,744.03 × 41,725.51
  4. Step 4: Simplify right side
    136,495.70x = 8,543,049,071.21
  5. Step 5: Solve for x
    x = 8,543,049,071.21/136,495.70
  6. Step 6: Final answer
    x = 62,588.41

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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.