Home / 117,690.43-162,413.10-63,975.37

Finding the Fourth Proportional to 117,690.43, 162,413.10 and 63,975.37

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Solution

The fourth proportional to 117,690.43, 162,413.10 and 63,975.37 is: 88,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,690.43 : 162,413.10 = 63,975.37 : x
  2. Step 2: Convert to fraction form
    117,690.43/162,413.10 = 63,975.37/x
  3. Step 3: Cross multiply
    117,690.43x = 162,413.10 × 63,975.37
  4. Step 4: Simplify right side
    117,690.43x = 10,390,438,165.35
  5. Step 5: Solve for x
    x = 10,390,438,165.35/117,690.43
  6. Step 6: Final answer
    x = 88,286.18

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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.