Home / 140,743.58-211,118.10-45,974.03

Finding the Fourth Proportional to 140,743.58, 211,118.10 and 45,974.03

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Solution

The fourth proportional to 140,743.58, 211,118.10 and 45,974.03 is: 68,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,743.58 : 211,118.10 = 45,974.03 : x
  2. Step 2: Convert to fraction form
    140,743.58/211,118.10 = 45,974.03/x
  3. Step 3: Cross multiply
    140,743.58x = 211,118.10 × 45,974.03
  4. Step 4: Simplify right side
    140,743.58x = 9,705,949,822.49
  5. Step 5: Solve for x
    x = 9,705,949,822.49/140,743.58
  6. Step 6: Final answer
    x = 68,961.94

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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.