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Finding the Fourth Proportional to 459,068.25, 688,642.07 and 126,644.25

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Solution

The fourth proportional to 459,068.25, 688,642.07 and 126,644.25 is: 189,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,068.25 : 688,642.07 = 126,644.25 : x
  2. Step 2: Convert to fraction form
    459,068.25/688,642.07 = 126,644.25/x
  3. Step 3: Cross multiply
    459,068.25x = 688,642.07 × 126,644.25
  4. Step 4: Simplify right side
    459,068.25x = 87,212,557,840.38
  5. Step 5: Solve for x
    x = 87,212,557,840.38/459,068.25
  6. Step 6: Final answer
    x = 189,977.32

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