Home / 140,982.48-211,486.14-39,781.42

Finding the Fourth Proportional to 140,982.48, 211,486.14 and 39,781.42

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Solution

The fourth proportional to 140,982.48, 211,486.14 and 39,781.42 is: 59,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,982.48 : 211,486.14 = 39,781.42 : x
  2. Step 2: Convert to fraction form
    140,982.48/211,486.14 = 39,781.42/x
  3. Step 3: Cross multiply
    140,982.48x = 211,486.14 × 39,781.42
  4. Step 4: Simplify right side
    140,982.48x = 8,413,218,430.80
  5. Step 5: Solve for x
    x = 8,413,218,430.80/140,982.48
  6. Step 6: Final answer
    x = 59,675.63

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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.