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Finding the Fourth Proportional to 99,743.16, 149,613.29 and 46,405.31

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Solution

The fourth proportional to 99,743.16, 149,613.29 and 46,405.31 is: 69,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743.16 : 149,613.29 = 46,405.31 : x
  2. Step 2: Convert to fraction form
    99,743.16/149,613.29 = 46,405.31/x
  3. Step 3: Cross multiply
    99,743.16x = 149,613.29 × 46,405.31
  4. Step 4: Simplify right side
    99,743.16x = 6,942,850,561.74
  5. Step 5: Solve for x
    x = 6,942,850,561.74/99,743.16
  6. Step 6: Final answer
    x = 69,607.28

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