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Finding the Fourth Proportional to 157,640.20, 236,460.30 and 64,097.80

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Solution

The fourth proportional to 157,640.20, 236,460.30 and 64,097.80 is: 96,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,640.20 : 236,460.30 = 64,097.80 : x
  2. Step 2: Convert to fraction form
    157,640.20/236,460.30 = 64,097.80/x
  3. Step 3: Cross multiply
    157,640.20x = 236,460.30 × 64,097.80
  4. Step 4: Simplify right side
    157,640.20x = 15,156,585,017.34
  5. Step 5: Solve for x
    x = 15,156,585,017.34/157,640.20
  6. Step 6: Final answer
    x = 96,146.70

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