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Finding the Fourth Proportional to 97,329.60, 145,670.40 and 70,599.60

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Solution

The fourth proportional to 97,329.60, 145,670.40 and 70,599.60 is: 105,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,329.60 : 145,670.40 = 70,599.60 : x
  2. Step 2: Convert to fraction form
    97,329.60/145,670.40 = 70,599.60/x
  3. Step 3: Cross multiply
    97,329.60x = 145,670.40 × 70,599.60
  4. Step 4: Simplify right side
    97,329.60x = 10,284,271,971.84
  5. Step 5: Solve for x
    x = 10,284,271,971.84/97,329.60
  6. Step 6: Final answer
    x = 105,664.38

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