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Finding the Fourth Proportional to 454,527.75, 681,726.01 and 138,899.91

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Solution

The fourth proportional to 454,527.75, 681,726.01 and 138,899.91 is: 208,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,527.75 : 681,726.01 = 138,899.91 : x
  2. Step 2: Convert to fraction form
    454,527.75/681,726.01 = 138,899.91/x
  3. Step 3: Cross multiply
    454,527.75x = 681,726.01 × 138,899.91
  4. Step 4: Simplify right side
    454,527.75x = 94,691,681,433.66
  5. Step 5: Solve for x
    x = 94,691,681,433.66/454,527.75
  6. Step 6: Final answer
    x = 208,329.81

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