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Finding the Fourth Proportional to 103,698.40, 154,738.54 and 92,528.32

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Solution

The fourth proportional to 103,698.40, 154,738.54 and 92,528.32 is: 138,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,698.40 : 154,738.54 = 92,528.32 : x
  2. Step 2: Convert to fraction form
    103,698.40/154,738.54 = 92,528.32/x
  3. Step 3: Cross multiply
    103,698.40x = 154,738.54 × 92,528.32
  4. Step 4: Simplify right side
    103,698.40x = 14,317,697,145.45
  5. Step 5: Solve for x
    x = 14,317,697,145.45/103,698.40
  6. Step 6: Final answer
    x = 138,070.57

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