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Finding the Fourth Proportional to 208,441.50, 287,886.87 and 141,256.86

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Solution

The fourth proportional to 208,441.50, 287,886.87 and 141,256.86 is: 195,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,441.50 : 287,886.87 = 141,256.86 : x
  2. Step 2: Convert to fraction form
    208,441.50/287,886.87 = 141,256.86/x
  3. Step 3: Cross multiply
    208,441.50x = 287,886.87 × 141,256.86
  4. Step 4: Simplify right side
    208,441.50x = 40,665,995,291.43
  5. Step 5: Solve for x
    x = 40,665,995,291.43/208,441.50
  6. Step 6: Final answer
    x = 195,095.48

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