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Finding the Fourth Proportional to 136,463.69, 204,726.69 and 41,707.36

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Solution

The fourth proportional to 136,463.69, 204,726.69 and 41,707.36 is: 62,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,463.69 : 204,726.69 = 41,707.36 : x
  2. Step 2: Convert to fraction form
    136,463.69/204,726.69 = 41,707.36/x
  3. Step 3: Cross multiply
    136,463.69x = 204,726.69 × 41,707.36
  4. Step 4: Simplify right side
    136,463.69x = 8,538,609,761.44
  5. Step 5: Solve for x
    x = 8,538,609,761.44/136,463.69
  6. Step 6: Final answer
    x = 62,570.56

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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.