Home / 137,256.12-205,840.44-43,740

Finding the Fourth Proportional to 137,256.12, 205,840.44 and 43,740

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Solution

The fourth proportional to 137,256.12, 205,840.44 and 43,740 is: 65,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,256.12 : 205,840.44 = 43,740 : x
  2. Step 2: Convert to fraction form
    137,256.12/205,840.44 = 43,740/x
  3. Step 3: Cross multiply
    137,256.12x = 205,840.44 × 43,740
  4. Step 4: Simplify right side
    137,256.12x = 9,003,460,845.60
  5. Step 5: Solve for x
    x = 9,003,460,845.60/137,256.12
  6. Step 6: Final answer
    x = 65,596.06

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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.