Home / 140,062.20-210,093.30-51,279.72

Finding the Fourth Proportional to 140,062.20, 210,093.30 and 51,279.72

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Solution

The fourth proportional to 140,062.20, 210,093.30 and 51,279.72 is: 76,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,062.20 : 210,093.30 = 51,279.72 : x
  2. Step 2: Convert to fraction form
    140,062.20/210,093.30 = 51,279.72/x
  3. Step 3: Cross multiply
    140,062.20x = 210,093.30 × 51,279.72
  4. Step 4: Simplify right side
    140,062.20x = 10,773,525,597.88
  5. Step 5: Solve for x
    x = 10,773,525,597.88/140,062.20
  6. Step 6: Final answer
    x = 76,919.58

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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.