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Finding the Fourth Proportional to 208,149.75, 287,246.66 and 112,657.23

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Solution

The fourth proportional to 208,149.75, 287,246.66 and 112,657.23 is: 155,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,149.75 : 287,246.66 = 112,657.23 : x
  2. Step 2: Convert to fraction form
    208,149.75/287,246.66 = 112,657.23/x
  3. Step 3: Cross multiply
    208,149.75x = 287,246.66 × 112,657.23
  4. Step 4: Simplify right side
    208,149.75x = 32,360,412,479.07
  5. Step 5: Solve for x
    x = 32,360,412,479.07/208,149.75
  6. Step 6: Final answer
    x = 155,466.98

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