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Finding the Fourth Proportional to 148,377.42, 204,756.39 and 84,702.78

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Solution

The fourth proportional to 148,377.42, 204,756.39 and 84,702.78 is: 116,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,377.42 : 204,756.39 = 84,702.78 : x
  2. Step 2: Convert to fraction form
    148,377.42/204,756.39 = 84,702.78/x
  3. Step 3: Cross multiply
    148,377.42x = 204,756.39 × 84,702.78
  4. Step 4: Simplify right side
    148,377.42x = 17,343,435,455.76
  5. Step 5: Solve for x
    x = 17,343,435,455.76/148,377.42
  6. Step 6: Final answer
    x = 116,887.30

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