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Finding the Fourth Proportional to 145,008.09, 200,117.79 and 84,569.13

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Solution

The fourth proportional to 145,008.09, 200,117.79 and 84,569.13 is: 116,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,008.09 : 200,117.79 = 84,569.13 : x
  2. Step 2: Convert to fraction form
    145,008.09/200,117.79 = 84,569.13/x
  3. Step 3: Cross multiply
    145,008.09x = 200,117.79 × 84,569.13
  4. Step 4: Simplify right side
    145,008.09x = 16,923,787,397.82
  5. Step 5: Solve for x
    x = 16,923,787,397.82/145,008.09
  6. Step 6: Final answer
    x = 116,709.26

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