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Finding the Fourth Proportional to 99,031.14, 136,659.15 and 53,708.28

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Solution

The fourth proportional to 99,031.14, 136,659.15 and 53,708.28 is: 74,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031.14 : 136,659.15 = 53,708.28 : x
  2. Step 2: Convert to fraction form
    99,031.14/136,659.15 = 53,708.28/x
  3. Step 3: Cross multiply
    99,031.14x = 136,659.15 × 53,708.28
  4. Step 4: Simplify right side
    99,031.14x = 7,339,727,892.76
  5. Step 5: Solve for x
    x = 7,339,727,892.76/99,031.14
  6. Step 6: Final answer
    x = 74,115.35

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