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Finding the Fourth Proportional to 455,901.16, 683,790.18 and 118,965.46

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Solution

The fourth proportional to 455,901.16, 683,790.18 and 118,965.46 is: 178,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,901.16 : 683,790.18 = 118,965.46 : x
  2. Step 2: Convert to fraction form
    455,901.16/683,790.18 = 118,965.46/x
  3. Step 3: Cross multiply
    455,901.16x = 683,790.18 × 118,965.46
  4. Step 4: Simplify right side
    455,901.16x = 81,347,413,307.18
  5. Step 5: Solve for x
    x = 81,347,413,307.18/455,901.16
  6. Step 6: Final answer
    x = 178,432.13

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