Home / 455,745.20-683,617.80-140,161.10

Finding the Fourth Proportional to 455,745.20, 683,617.80 and 140,161.10

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Solution

The fourth proportional to 455,745.20, 683,617.80 and 140,161.10 is: 210,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,745.20 : 683,617.80 = 140,161.10 : x
  2. Step 2: Convert to fraction form
    455,745.20/683,617.80 = 140,161.10/x
  3. Step 3: Cross multiply
    455,745.20x = 683,617.80 × 140,161.10
  4. Step 4: Simplify right side
    455,745.20x = 95,816,622,827.58
  5. Step 5: Solve for x
    x = 95,816,622,827.58/455,745.20
  6. Step 6: Final answer
    x = 210,241.65

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Similar ratio
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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.