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Finding the Fourth Proportional to 127,440.32, 175,877.48 and 76,454.96

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Solution

The fourth proportional to 127,440.32, 175,877.48 and 76,454.96 is: 105,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,440.32 : 175,877.48 = 76,454.96 : x
  2. Step 2: Convert to fraction form
    127,440.32/175,877.48 = 76,454.96/x
  3. Step 3: Cross multiply
    127,440.32x = 175,877.48 × 76,454.96
  4. Step 4: Simplify right side
    127,440.32x = 13,446,705,698.30
  5. Step 5: Solve for x
    x = 13,446,705,698.30/127,440.32
  6. Step 6: Final answer
    x = 105,513.75

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