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Finding the Fourth Proportional to 155,696.84, 214,862.30 and 87,714.63

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Solution

The fourth proportional to 155,696.84, 214,862.30 and 87,714.63 is: 121,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,696.84 : 214,862.30 = 87,714.63 : x
  2. Step 2: Convert to fraction form
    155,696.84/214,862.30 = 87,714.63/x
  3. Step 3: Cross multiply
    155,696.84x = 214,862.30 × 87,714.63
  4. Step 4: Simplify right side
    155,696.84x = 18,846,567,364.74
  5. Step 5: Solve for x
    x = 18,846,567,364.74/155,696.84
  6. Step 6: Final answer
    x = 121,046.56

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