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Finding the Fourth Proportional to 113,689.92, 156,799.62 and 100,048.52

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Solution

The fourth proportional to 113,689.92, 156,799.62 and 100,048.52 is: 137,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,689.92 : 156,799.62 = 100,048.52 : x
  2. Step 2: Convert to fraction form
    113,689.92/156,799.62 = 100,048.52/x
  3. Step 3: Cross multiply
    113,689.92x = 156,799.62 × 100,048.52
  4. Step 4: Simplify right side
    113,689.92x = 15,687,569,917.56
  5. Step 5: Solve for x
    x = 15,687,569,917.56/113,689.92
  6. Step 6: Final answer
    x = 137,985.58

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