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Finding the Fourth Proportional to 105,322.14, 157,983.18 and 42,170.70

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Solution

The fourth proportional to 105,322.14, 157,983.18 and 42,170.70 is: 63,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,322.14 : 157,983.18 = 42,170.70 : x
  2. Step 2: Convert to fraction form
    105,322.14/157,983.18 = 42,170.70/x
  3. Step 3: Cross multiply
    105,322.14x = 157,983.18 × 42,170.70
  4. Step 4: Simplify right side
    105,322.14x = 6,662,261,288.83
  5. Step 5: Solve for x
    x = 6,662,261,288.83/105,322.14
  6. Step 6: Final answer
    x = 63,256.04

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