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Finding the Fourth Proportional to 137,203.51, 205,835.52 and 41,136.91

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Solution

The fourth proportional to 137,203.51, 205,835.52 and 41,136.91 is: 61,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,203.51 : 205,835.52 = 41,136.91 : x
  2. Step 2: Convert to fraction form
    137,203.51/205,835.52 = 41,136.91/x
  3. Step 3: Cross multiply
    137,203.51x = 205,835.52 × 41,136.91
  4. Step 4: Simplify right side
    137,203.51x = 8,467,437,261.04
  5. Step 5: Solve for x
    x = 8,467,437,261.04/137,203.51
  6. Step 6: Final answer
    x = 61,714.44

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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.