Home / 259,374.20-357,936.39-140,142.20

Finding the Fourth Proportional to 259,374.20, 357,936.39 and 140,142.20

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Solution

The fourth proportional to 259,374.20, 357,936.39 and 140,142.20 is: 193,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,374.20 : 357,936.39 = 140,142.20 : x
  2. Step 2: Convert to fraction form
    259,374.20/357,936.39 = 140,142.20/x
  3. Step 3: Cross multiply
    259,374.20x = 357,936.39 × 140,142.20
  4. Step 4: Simplify right side
    259,374.20x = 50,161,991,364.98
  5. Step 5: Solve for x
    x = 50,161,991,364.98/259,374.20
  6. Step 6: Final answer
    x = 193,396.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.