Home / 140,998.87-211,497.78-34,381.60

Finding the Fourth Proportional to 140,998.87, 211,497.78 and 34,381.60

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Solution

The fourth proportional to 140,998.87, 211,497.78 and 34,381.60 is: 51,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,998.87 : 211,497.78 = 34,381.60 : x
  2. Step 2: Convert to fraction form
    140,998.87/211,497.78 = 34,381.60/x
  3. Step 3: Cross multiply
    140,998.87x = 211,497.78 × 34,381.60
  4. Step 4: Simplify right side
    140,998.87x = 7,271,632,072.85
  5. Step 5: Solve for x
    x = 7,271,632,072.85/140,998.87
  6. Step 6: Final answer
    x = 51,572.27

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1.5x scale

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.