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Finding the Fourth Proportional to 99,907.01, 149,934.45 and 47,316.62

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Solution

The fourth proportional to 99,907.01, 149,934.45 and 47,316.62 is: 71,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,907.01 : 149,934.45 = 47,316.62 : x
  2. Step 2: Convert to fraction form
    99,907.01/149,934.45 = 47,316.62/x
  3. Step 3: Cross multiply
    99,907.01x = 149,934.45 × 47,316.62
  4. Step 4: Simplify right side
    99,907.01x = 7,094,391,395.56
  5. Step 5: Solve for x
    x = 7,094,391,395.56/99,907.01
  6. Step 6: Final answer
    x = 71,009.95

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