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Finding the Fourth Proportional to 207,102.40, 309,962.40 and 144,894.40

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Solution

The fourth proportional to 207,102.40, 309,962.40 and 144,894.40 is: 216,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,102.40 : 309,962.40 = 144,894.40 : x
  2. Step 2: Convert to fraction form
    207,102.40/309,962.40 = 144,894.40/x
  3. Step 3: Cross multiply
    207,102.40x = 309,962.40 × 144,894.40
  4. Step 4: Simplify right side
    207,102.40x = 44,911,815,970.56
  5. Step 5: Solve for x
    x = 44,911,815,970.56/207,102.40
  6. Step 6: Final answer
    x = 216,858.02

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