Home / 140,026.12-209,918.86-51,261.26

Finding the Fourth Proportional to 140,026.12, 209,918.86 and 51,261.26

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Solution

The fourth proportional to 140,026.12, 209,918.86 and 51,261.26 is: 76,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,026.12 : 209,918.86 = 51,261.26 : x
  2. Step 2: Convert to fraction form
    140,026.12/209,918.86 = 51,261.26/x
  3. Step 3: Cross multiply
    140,026.12x = 209,918.86 × 51,261.26
  4. Step 4: Simplify right side
    140,026.12x = 10,760,704,083.62
  5. Step 5: Solve for x
    x = 10,760,704,083.62/140,026.12
  6. Step 6: Final answer
    x = 76,847.84

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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.