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Finding the Fourth Proportional to 127,832.72, 176,406.54 and 69,689.84

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Solution

The fourth proportional to 127,832.72, 176,406.54 and 69,689.84 is: 96,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,832.72 : 176,406.54 = 69,689.84 : x
  2. Step 2: Convert to fraction form
    127,832.72/176,406.54 = 69,689.84/x
  3. Step 3: Cross multiply
    127,832.72x = 176,406.54 × 69,689.84
  4. Step 4: Simplify right side
    127,832.72x = 12,293,743,547.55
  5. Step 5: Solve for x
    x = 12,293,743,547.55/127,832.72
  6. Step 6: Final answer
    x = 96,170.55

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