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Finding the Fourth Proportional to 118,487.89, 177,574.62 and 51,855.47

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Solution

The fourth proportional to 118,487.89, 177,574.62 and 51,855.47 is: 77,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,487.89 : 177,574.62 = 51,855.47 : x
  2. Step 2: Convert to fraction form
    118,487.89/177,574.62 = 51,855.47/x
  3. Step 3: Cross multiply
    118,487.89x = 177,574.62 × 51,855.47
  4. Step 4: Simplify right side
    118,487.89x = 9,208,214,492.30
  5. Step 5: Solve for x
    x = 9,208,214,492.30/118,487.89
  6. Step 6: Final answer
    x = 77,714.40

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