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Finding the Fourth Proportional to 112,089.50, 154,683.52 and 61,789.58

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Solution

The fourth proportional to 112,089.50, 154,683.52 and 61,789.58 is: 85,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,089.50 : 154,683.52 = 61,789.58 : x
  2. Step 2: Convert to fraction form
    112,089.50/154,683.52 = 61,789.58/x
  3. Step 3: Cross multiply
    112,089.50x = 154,683.52 × 61,789.58
  4. Step 4: Simplify right side
    112,089.50x = 9,557,829,733.72
  5. Step 5: Solve for x
    x = 9,557,829,733.72/112,089.50
  6. Step 6: Final answer
    x = 85,269.63

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