Home / 144,413.20-199,274.88-79,872.18

Finding the Fourth Proportional to 144,413.20, 199,274.88 and 79,872.18

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Solution

The fourth proportional to 144,413.20, 199,274.88 and 79,872.18 is: 110,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,413.20 : 199,274.88 = 79,872.18 : x
  2. Step 2: Convert to fraction form
    144,413.20/199,274.88 = 79,872.18/x
  3. Step 3: Cross multiply
    144,413.20x = 199,274.88 × 79,872.18
  4. Step 4: Simplify right side
    144,413.20x = 15,916,519,084.84
  5. Step 5: Solve for x
    x = 15,916,519,084.84/144,413.20
  6. Step 6: Final answer
    x = 110,215.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.