Home / 455,735.17-683,542.81-140,165.65

Finding the Fourth Proportional to 455,735.17, 683,542.81 and 140,165.65

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Solution

The fourth proportional to 455,735.17, 683,542.81 and 140,165.65 is: 210,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,735.17 : 683,542.81 = 140,165.65 : x
  2. Step 2: Convert to fraction form
    455,735.17/683,542.81 = 140,165.65/x
  3. Step 3: Cross multiply
    455,735.17x = 683,542.81 × 140,165.65
  4. Step 4: Simplify right side
    455,735.17x = 95,809,222,266.48
  5. Step 5: Solve for x
    x = 95,809,222,266.48/455,735.17
  6. Step 6: Final answer
    x = 210,230.04

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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.