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Finding the Fourth Proportional to 120,784.71, 166,698.29 and 73,038.41

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Solution

The fourth proportional to 120,784.71, 166,698.29 and 73,038.41 is: 100,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,784.71 : 166,698.29 = 73,038.41 : x
  2. Step 2: Convert to fraction form
    120,784.71/166,698.29 = 73,038.41/x
  3. Step 3: Cross multiply
    120,784.71x = 166,698.29 × 73,038.41
  4. Step 4: Simplify right side
    120,784.71x = 12,175,376,852.64
  5. Step 5: Solve for x
    x = 12,175,376,852.64/120,784.71
  6. Step 6: Final answer
    x = 100,802.30

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