Home / 140,811.62-211,217.81-40,974.21

Finding the Fourth Proportional to 140,811.62, 211,217.81 and 40,974.21

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Solution

The fourth proportional to 140,811.62, 211,217.81 and 40,974.21 is: 61,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,811.62 : 211,217.81 = 40,974.21 : x
  2. Step 2: Convert to fraction form
    140,811.62/211,217.81 = 40,974.21/x
  3. Step 3: Cross multiply
    140,811.62x = 211,217.81 × 40,974.21
  4. Step 4: Simplify right side
    140,811.62x = 8,654,483,788.32
  5. Step 5: Solve for x
    x = 8,654,483,788.32/140,811.62
  6. Step 6: Final answer
    x = 61,461.43

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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.