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Finding the Fourth Proportional to 94,699.80, 142,049.70 and 53,141.40

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Solution

The fourth proportional to 94,699.80, 142,049.70 and 53,141.40 is: 79,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,699.80 : 142,049.70 = 53,141.40 : x
  2. Step 2: Convert to fraction form
    94,699.80/142,049.70 = 53,141.40/x
  3. Step 3: Cross multiply
    94,699.80x = 142,049.70 × 53,141.40
  4. Step 4: Simplify right side
    94,699.80x = 7,548,719,927.58
  5. Step 5: Solve for x
    x = 7,548,719,927.58/94,699.80
  6. Step 6: Final answer
    x = 79,712.10

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