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Finding the Fourth Proportional to 99,829.69, 137,763.93 and 54,507.53

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Solution

The fourth proportional to 99,829.69, 137,763.93 and 54,507.53 is: 75,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,829.69 : 137,763.93 = 54,507.53 : x
  2. Step 2: Convert to fraction form
    99,829.69/137,763.93 = 54,507.53/x
  3. Step 3: Cross multiply
    99,829.69x = 137,763.93 × 54,507.53
  4. Step 4: Simplify right side
    99,829.69x = 7,509,171,547.39
  5. Step 5: Solve for x
    x = 7,509,171,547.39/99,829.69
  6. Step 6: Final answer
    x = 75,219.82

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