Home / 140,375.25-210,563.79-56,142.48

Finding the Fourth Proportional to 140,375.25, 210,563.79 and 56,142.48

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Solution

The fourth proportional to 140,375.25, 210,563.79 and 56,142.48 is: 84,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,375.25 : 210,563.79 = 56,142.48 : x
  2. Step 2: Convert to fraction form
    140,375.25/210,563.79 = 56,142.48/x
  3. Step 3: Cross multiply
    140,375.25x = 210,563.79 × 56,142.48
  4. Step 4: Simplify right side
    140,375.25x = 11,821,573,368.80
  5. Step 5: Solve for x
    x = 11,821,573,368.80/140,375.25
  6. Step 6: Final answer
    x = 84,214.09

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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.