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Finding the Fourth Proportional to 208,235.04, 287,364.54 and 112,741.80

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Solution

The fourth proportional to 208,235.04, 287,364.54 and 112,741.80 is: 155,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,235.04 : 287,364.54 = 112,741.80 : x
  2. Step 2: Convert to fraction form
    208,235.04/287,364.54 = 112,741.80/x
  3. Step 3: Cross multiply
    208,235.04x = 287,364.54 × 112,741.80
  4. Step 4: Simplify right side
    208,235.04x = 32,397,995,495.77
  5. Step 5: Solve for x
    x = 32,397,995,495.77/208,235.04
  6. Step 6: Final answer
    x = 155,583.78

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