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Finding the Fourth Proportional to 109,681.40, 164,408.70 and 59,655.80

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Solution

The fourth proportional to 109,681.40, 164,408.70 and 59,655.80 is: 89,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,681.40 : 164,408.70 = 59,655.80 : x
  2. Step 2: Convert to fraction form
    109,681.40/164,408.70 = 59,655.80/x
  3. Step 3: Cross multiply
    109,681.40x = 164,408.70 × 59,655.80
  4. Step 4: Simplify right side
    109,681.40x = 9,807,932,525.46
  5. Step 5: Solve for x
    x = 9,807,932,525.46/109,681.40
  6. Step 6: Final answer
    x = 89,422.02

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