Home / 140,474.25-210,732.37-51,720.93

Finding the Fourth Proportional to 140,474.25, 210,732.37 and 51,720.93

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Solution

The fourth proportional to 140,474.25, 210,732.37 and 51,720.93 is: 77,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,474.25 : 210,732.37 = 51,720.93 : x
  2. Step 2: Convert to fraction form
    140,474.25/210,732.37 = 51,720.93/x
  3. Step 3: Cross multiply
    140,474.25x = 210,732.37 × 51,720.93
  4. Step 4: Simplify right side
    140,474.25x = 10,899,274,028.20
  5. Step 5: Solve for x
    x = 10,899,274,028.20/140,474.25
  6. Step 6: Final answer
    x = 77,589.12

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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.