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Finding the Fourth Proportional to 157,662.40, 236,493.60 and 74,718.40

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Solution

The fourth proportional to 157,662.40, 236,493.60 and 74,718.40 is: 112,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,662.40 : 236,493.60 = 74,718.40 : x
  2. Step 2: Convert to fraction form
    157,662.40/236,493.60 = 74,718.40/x
  3. Step 3: Cross multiply
    157,662.40x = 236,493.60 × 74,718.40
  4. Step 4: Simplify right side
    157,662.40x = 17,670,423,402.24
  5. Step 5: Solve for x
    x = 17,670,423,402.24/157,662.40
  6. Step 6: Final answer
    x = 112,077.60

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