Home / 140,765.04-211,161.30-40,926

Finding the Fourth Proportional to 140,765.04, 211,161.30 and 40,926

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Solution

The fourth proportional to 140,765.04, 211,161.30 and 40,926 is: 61,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,765.04 : 211,161.30 = 40,926 : x
  2. Step 2: Convert to fraction form
    140,765.04/211,161.30 = 40,926/x
  3. Step 3: Cross multiply
    140,765.04x = 211,161.30 × 40,926
  4. Step 4: Simplify right side
    140,765.04x = 8,641,987,363.80
  5. Step 5: Solve for x
    x = 8,641,987,363.80/140,765.04
  6. Step 6: Final answer
    x = 61,392.99

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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.