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Finding the Fourth Proportional to 109,393.20, 164,089.80 and 35,521.20

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Solution

The fourth proportional to 109,393.20, 164,089.80 and 35,521.20 is: 53,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,393.20 : 164,089.80 = 35,521.20 : x
  2. Step 2: Convert to fraction form
    109,393.20/164,089.80 = 35,521.20/x
  3. Step 3: Cross multiply
    109,393.20x = 164,089.80 × 35,521.20
  4. Step 4: Simplify right side
    109,393.20x = 5,828,666,603.76
  5. Step 5: Solve for x
    x = 5,828,666,603.76/109,393.20
  6. Step 6: Final answer
    x = 53,281.80

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