Home / 141,012.23-211,413.13-84,839.15

Finding the Fourth Proportional to 141,012.23, 211,413.13 and 84,839.15

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Solution

The fourth proportional to 141,012.23, 211,413.13 and 84,839.15 is: 127,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,012.23 : 211,413.13 = 84,839.15 : x
  2. Step 2: Convert to fraction form
    141,012.23/211,413.13 = 84,839.15/x
  3. Step 3: Cross multiply
    141,012.23x = 211,413.13 × 84,839.15
  4. Step 4: Simplify right side
    141,012.23x = 17,936,110,564.47
  5. Step 5: Solve for x
    x = 17,936,110,564.47/141,012.23
  6. Step 6: Final answer
    x = 127,195.43

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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.