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Finding the Fourth Proportional to 130,874.70, 180,607.95 and 74,287.02

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Solution

The fourth proportional to 130,874.70, 180,607.95 and 74,287.02 is: 102,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,874.70 : 180,607.95 = 74,287.02 : x
  2. Step 2: Convert to fraction form
    130,874.70/180,607.95 = 74,287.02/x
  3. Step 3: Cross multiply
    130,874.70x = 180,607.95 × 74,287.02
  4. Step 4: Simplify right side
    130,874.70x = 13,416,826,393.81
  5. Step 5: Solve for x
    x = 13,416,826,393.81/130,874.70
  6. Step 6: Final answer
    x = 102,516.58

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