Home / 140,396.10-210,571.88-45,628.53

Finding the Fourth Proportional to 140,396.10, 210,571.88 and 45,628.53

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Solution

The fourth proportional to 140,396.10, 210,571.88 and 45,628.53 is: 68,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,396.10 : 210,571.88 = 45,628.53 : x
  2. Step 2: Convert to fraction form
    140,396.10/210,571.88 = 45,628.53/x
  3. Step 3: Cross multiply
    140,396.10x = 210,571.88 × 45,628.53
  4. Step 4: Simplify right side
    140,396.10x = 9,608,085,115.59
  5. Step 5: Solve for x
    x = 9,608,085,115.59/140,396.10
  6. Step 6: Final answer
    x = 68,435.56

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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.