Home / 140,378.44-210,441.30-51,612.97

Finding the Fourth Proportional to 140,378.44, 210,441.30 and 51,612.97

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Solution

The fourth proportional to 140,378.44, 210,441.30 and 51,612.97 is: 77,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,378.44 : 210,441.30 = 51,612.97 : x
  2. Step 2: Convert to fraction form
    140,378.44/210,441.30 = 51,612.97/x
  3. Step 3: Cross multiply
    140,378.44x = 210,441.30 × 51,612.97
  4. Step 4: Simplify right side
    140,378.44x = 10,861,499,784.01
  5. Step 5: Solve for x
    x = 10,861,499,784.01/140,378.44
  6. Step 6: Final answer
    x = 77,372.99

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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.