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Finding the Fourth Proportional to 120,592.52, 180,862.68 and 76,159.88

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Solution

The fourth proportional to 120,592.52, 180,862.68 and 76,159.88 is: 114,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,592.52 : 180,862.68 = 76,159.88 : x
  2. Step 2: Convert to fraction form
    120,592.52/180,862.68 = 76,159.88/x
  3. Step 3: Cross multiply
    120,592.52x = 180,862.68 × 76,159.88
  4. Step 4: Simplify right side
    120,592.52x = 13,774,480,005.28
  5. Step 5: Solve for x
    x = 13,774,480,005.28/120,592.52
  6. Step 6: Final answer
    x = 114,223.34

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