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Finding the Fourth Proportional to 117,140.76, 175,709.58 and 28,395.06

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Solution

The fourth proportional to 117,140.76, 175,709.58 and 28,395.06 is: 42,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,140.76 : 175,709.58 = 28,395.06 : x
  2. Step 2: Convert to fraction form
    117,140.76/175,709.58 = 28,395.06/x
  3. Step 3: Cross multiply
    117,140.76x = 175,709.58 × 28,395.06
  4. Step 4: Simplify right side
    117,140.76x = 4,989,284,066.67
  5. Step 5: Solve for x
    x = 4,989,284,066.67/117,140.76
  6. Step 6: Final answer
    x = 42,592.21

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