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Finding the Fourth Proportional to 370,738.60, 556,107.90 and 121,445.80

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Solution

The fourth proportional to 370,738.60, 556,107.90 and 121,445.80 is: 182,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,738.60 : 556,107.90 = 121,445.80 : x
  2. Step 2: Convert to fraction form
    370,738.60/556,107.90 = 121,445.80/x
  3. Step 3: Cross multiply
    370,738.60x = 556,107.90 × 121,445.80
  4. Step 4: Simplify right side
    370,738.60x = 67,536,968,801.82
  5. Step 5: Solve for x
    x = 67,536,968,801.82/370,738.60
  6. Step 6: Final answer
    x = 182,168.70

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