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Finding the Fourth Proportional to 208,975.92, 288,404.64 and 118,347.90

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Solution

The fourth proportional to 208,975.92, 288,404.64 and 118,347.90 is: 163,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,975.92 : 288,404.64 = 118,347.90 : x
  2. Step 2: Convert to fraction form
    208,975.92/288,404.64 = 118,347.90/x
  3. Step 3: Cross multiply
    208,975.92x = 288,404.64 × 118,347.90
  4. Step 4: Simplify right side
    208,975.92x = 34,132,083,494.26
  5. Step 5: Solve for x
    x = 34,132,083,494.26/208,975.92
  6. Step 6: Final answer
    x = 163,330.22

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