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Finding the Fourth Proportional to 117,029.40, 175,544.10 and 57,980.40

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Solution

The fourth proportional to 117,029.40, 175,544.10 and 57,980.40 is: 86,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,029.40 : 175,544.10 = 57,980.40 : x
  2. Step 2: Convert to fraction form
    117,029.40/175,544.10 = 57,980.40/x
  3. Step 3: Cross multiply
    117,029.40x = 175,544.10 × 57,980.40
  4. Step 4: Simplify right side
    117,029.40x = 10,178,117,135.64
  5. Step 5: Solve for x
    x = 10,178,117,135.64/117,029.40
  6. Step 6: Final answer
    x = 86,970.60

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