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Finding the Fourth Proportional to 165,763.40, 248,774.70 and 77,027.90

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Solution

The fourth proportional to 165,763.40, 248,774.70 and 77,027.90 is: 115,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,763.40 : 248,774.70 = 77,027.90 : x
  2. Step 2: Convert to fraction form
    165,763.40/248,774.70 = 77,027.90/x
  3. Step 3: Cross multiply
    165,763.40x = 248,774.70 × 77,027.90
  4. Step 4: Simplify right side
    165,763.40x = 19,162,592,714.13
  5. Step 5: Solve for x
    x = 19,162,592,714.13/165,763.40
  6. Step 6: Final answer
    x = 115,602.07

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