Home / 140,142.95-210,250.41-40,310.96

Finding the Fourth Proportional to 140,142.95, 210,250.41 and 40,310.96

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Solution

The fourth proportional to 140,142.95, 210,250.41 and 40,310.96 is: 60,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,142.95 : 210,250.41 = 40,310.96 : x
  2. Step 2: Convert to fraction form
    140,142.95/210,250.41 = 40,310.96/x
  3. Step 3: Cross multiply
    140,142.95x = 210,250.41 × 40,310.96
  4. Step 4: Simplify right side
    140,142.95x = 8,475,394,816.24
  5. Step 5: Solve for x
    x = 8,475,394,816.24/140,142.95
  6. Step 6: Final answer
    x = 60,476.79

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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.