Home / 140,747.70-211,135.41-40,908.77

Finding the Fourth Proportional to 140,747.70, 211,135.41 and 40,908.77

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Solution

The fourth proportional to 140,747.70, 211,135.41 and 40,908.77 is: 61,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,747.70 : 211,135.41 = 40,908.77 : x
  2. Step 2: Convert to fraction form
    140,747.70/211,135.41 = 40,908.77/x
  3. Step 3: Cross multiply
    140,747.70x = 211,135.41 × 40,908.77
  4. Step 4: Simplify right side
    140,747.70x = 8,637,289,926.55
  5. Step 5: Solve for x
    x = 8,637,289,926.55/140,747.70
  6. Step 6: Final answer
    x = 61,367.18

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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.