Home / 140,850.90-211,286.07-56,611.11

Finding the Fourth Proportional to 140,850.90, 211,286.07 and 56,611.11

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Solution

The fourth proportional to 140,850.90, 211,286.07 and 56,611.11 is: 84,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,850.90 : 211,286.07 = 56,611.11 : x
  2. Step 2: Convert to fraction form
    140,850.90/211,286.07 = 56,611.11/x
  3. Step 3: Cross multiply
    140,850.90x = 211,286.07 × 56,611.11
  4. Step 4: Simplify right side
    140,850.90x = 11,961,138,950.24
  5. Step 5: Solve for x
    x = 11,961,138,950.24/140,850.90
  6. Step 6: Final answer
    x = 84,920.57

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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.