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Finding the Fourth Proportional to 114,540.08, 158,185.44 and 78,822.32

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Solution

The fourth proportional to 114,540.08, 158,185.44 and 78,822.32 is: 108,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,540.08 : 158,185.44 = 78,822.32 : x
  2. Step 2: Convert to fraction form
    114,540.08/158,185.44 = 78,822.32/x
  3. Step 3: Cross multiply
    114,540.08x = 158,185.44 × 78,822.32
  4. Step 4: Simplify right side
    114,540.08x = 12,468,543,371.02
  5. Step 5: Solve for x
    x = 12,468,543,371.02/114,540.08
  6. Step 6: Final answer
    x = 108,857.47

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