Home / 136,743.21-205,115.31-41,973.41

Finding the Fourth Proportional to 136,743.21, 205,115.31 and 41,973.41

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Solution

The fourth proportional to 136,743.21, 205,115.31 and 41,973.41 is: 62,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,743.21 : 205,115.31 = 41,973.41 : x
  2. Step 2: Convert to fraction form
    136,743.21/205,115.31 = 41,973.41/x
  3. Step 3: Cross multiply
    136,743.21x = 205,115.31 × 41,973.41
  4. Step 4: Simplify right side
    136,743.21x = 8,609,387,978.33
  5. Step 5: Solve for x
    x = 8,609,387,978.33/136,743.21
  6. Step 6: Final answer
    x = 62,960.26

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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.