Home / 134,837.63-186,067.91-74,413.96

Finding the Fourth Proportional to 134,837.63, 186,067.91 and 74,413.96

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Solution

The fourth proportional to 134,837.63, 186,067.91 and 74,413.96 is: 102,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,837.63 : 186,067.91 = 74,413.96 : x
  2. Step 2: Convert to fraction form
    134,837.63/186,067.91 = 74,413.96/x
  3. Step 3: Cross multiply
    134,837.63x = 186,067.91 × 74,413.96
  4. Step 4: Simplify right side
    134,837.63x = 13,846,048,709.61
  5. Step 5: Solve for x
    x = 13,846,048,709.61/134,837.63
  6. Step 6: Final answer
    x = 102,686.83

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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.