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Finding the Fourth Proportional to 132,870.11, 183,314.75 and 85,149.77

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Solution

The fourth proportional to 132,870.11, 183,314.75 and 85,149.77 is: 117,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,870.11 : 183,314.75 = 85,149.77 : x
  2. Step 2: Convert to fraction form
    132,870.11/183,314.75 = 85,149.77/x
  3. Step 3: Cross multiply
    132,870.11x = 183,314.75 × 85,149.77
  4. Step 4: Simplify right side
    132,870.11x = 15,609,207,457.78
  5. Step 5: Solve for x
    x = 15,609,207,457.78/132,870.11
  6. Step 6: Final answer
    x = 117,477.20

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