Home / 140,727.78-211,085.80-40,885.97

Finding the Fourth Proportional to 140,727.78, 211,085.80 and 40,885.97

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Solution

The fourth proportional to 140,727.78, 211,085.80 and 40,885.97 is: 61,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,727.78 : 211,085.80 = 40,885.97 : x
  2. Step 2: Convert to fraction form
    140,727.78/211,085.80 = 40,885.97/x
  3. Step 3: Cross multiply
    140,727.78x = 211,085.80 × 40,885.97
  4. Step 4: Simplify right side
    140,727.78x = 8,630,446,528.58
  5. Step 5: Solve for x
    x = 8,630,446,528.58/140,727.78
  6. Step 6: Final answer
    x = 61,327.24

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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.