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Finding the Fourth Proportional to 139,454.92, 209,160.36 and 115,913.68

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Solution

The fourth proportional to 139,454.92, 209,160.36 and 115,913.68 is: 173,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,454.92 : 209,160.36 = 115,913.68 : x
  2. Step 2: Convert to fraction form
    139,454.92/209,160.36 = 115,913.68/x
  3. Step 3: Cross multiply
    139,454.92x = 209,160.36 × 115,913.68
  4. Step 4: Simplify right side
    139,454.92x = 24,244,547,037.72
  5. Step 5: Solve for x
    x = 24,244,547,037.72/139,454.92
  6. Step 6: Final answer
    x = 173,852.22

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