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Finding the Fourth Proportional to 101,762.36, 152,731.38 and 70,619.48

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Solution

The fourth proportional to 101,762.36, 152,731.38 and 70,619.48 is: 105,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,762.36 : 152,731.38 = 70,619.48 : x
  2. Step 2: Convert to fraction form
    101,762.36/152,731.38 = 70,619.48/x
  3. Step 3: Cross multiply
    101,762.36x = 152,731.38 × 70,619.48
  4. Step 4: Simplify right side
    101,762.36x = 10,785,810,635.28
  5. Step 5: Solve for x
    x = 10,785,810,635.28/101,762.36
  6. Step 6: Final answer
    x = 105,990.18

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