Home / 212,413.62-293,158.79-127,536.15

Finding the Fourth Proportional to 212,413.62, 293,158.79 and 127,536.15

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Solution

The fourth proportional to 212,413.62, 293,158.79 and 127,536.15 is: 176,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,413.62 : 293,158.79 = 127,536.15 : x
  2. Step 2: Convert to fraction form
    212,413.62/293,158.79 = 127,536.15/x
  3. Step 3: Cross multiply
    212,413.62x = 293,158.79 × 127,536.15
  4. Step 4: Simplify right side
    212,413.62x = 37,388,345,072.57
  5. Step 5: Solve for x
    x = 37,388,345,072.57/212,413.62
  6. Step 6: Final answer
    x = 176,016.70

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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.