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Finding the Fourth Proportional to 134,543.26, 185,669.74 and 77,987.44

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Solution

The fourth proportional to 134,543.26, 185,669.74 and 77,987.44 is: 107,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,543.26 : 185,669.74 = 77,987.44 : x
  2. Step 2: Convert to fraction form
    134,543.26/185,669.74 = 77,987.44/x
  3. Step 3: Cross multiply
    134,543.26x = 185,669.74 × 77,987.44
  4. Step 4: Simplify right side
    134,543.26x = 14,479,907,708.07
  5. Step 5: Solve for x
    x = 14,479,907,708.07/134,543.26
  6. Step 6: Final answer
    x = 107,622.69

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