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Finding the Fourth Proportional to 99,398.10, 149,097.15 and 88,511.70

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Solution

The fourth proportional to 99,398.10, 149,097.15 and 88,511.70 is: 132,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,398.10 : 149,097.15 = 88,511.70 : x
  2. Step 2: Convert to fraction form
    99,398.10/149,097.15 = 88,511.70/x
  3. Step 3: Cross multiply
    99,398.10x = 149,097.15 × 88,511.70
  4. Step 4: Simplify right side
    99,398.10x = 13,196,842,211.66
  5. Step 5: Solve for x
    x = 13,196,842,211.66/99,398.10
  6. Step 6: Final answer
    x = 132,767.55

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