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Finding the Fourth Proportional to 118,172.76, 163,078.92 and 64,458.93

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Solution

The fourth proportional to 118,172.76, 163,078.92 and 64,458.93 is: 88,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,172.76 : 163,078.92 = 64,458.93 : x
  2. Step 2: Convert to fraction form
    118,172.76/163,078.92 = 64,458.93/x
  3. Step 3: Cross multiply
    118,172.76x = 163,078.92 × 64,458.93
  4. Step 4: Simplify right side
    118,172.76x = 10,511,892,688.76
  5. Step 5: Solve for x
    x = 10,511,892,688.76/118,172.76
  6. Step 6: Final answer
    x = 88,953.60

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