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Finding the Fourth Proportional to 99,018.55, 136,645.64 and 53,696.52

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Solution

The fourth proportional to 99,018.55, 136,645.64 and 53,696.52 is: 74,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,018.55 : 136,645.64 = 53,696.52 : x
  2. Step 2: Convert to fraction form
    99,018.55/136,645.64 = 53,696.52/x
  3. Step 3: Cross multiply
    99,018.55x = 136,645.64 × 53,696.52
  4. Step 4: Simplify right side
    99,018.55x = 7,337,395,341.17
  5. Step 5: Solve for x
    x = 7,337,395,341.17/99,018.55
  6. Step 6: Final answer
    x = 74,101.22

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