Home / 140,784.96-211,190.80-39,582.80

Finding the Fourth Proportional to 140,784.96, 211,190.80 and 39,582.80

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Solution

The fourth proportional to 140,784.96, 211,190.80 and 39,582.80 is: 59,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,784.96 : 211,190.80 = 39,582.80 : x
  2. Step 2: Convert to fraction form
    140,784.96/211,190.80 = 39,582.80/x
  3. Step 3: Cross multiply
    140,784.96x = 211,190.80 × 39,582.80
  4. Step 4: Simplify right side
    140,784.96x = 8,359,523,198.24
  5. Step 5: Solve for x
    x = 8,359,523,198.24/140,784.96
  6. Step 6: Final answer
    x = 59,377.96

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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.