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Finding the Fourth Proportional to 157,432.60, 236,221.80 and 82,637.20

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Solution

The fourth proportional to 157,432.60, 236,221.80 and 82,637.20 is: 123,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,432.60 : 236,221.80 = 82,637.20 : x
  2. Step 2: Convert to fraction form
    157,432.60/236,221.80 = 82,637.20/x
  3. Step 3: Cross multiply
    157,432.60x = 236,221.80 × 82,637.20
  4. Step 4: Simplify right side
    157,432.60x = 19,520,708,130.96
  5. Step 5: Solve for x
    x = 19,520,708,130.96/157,432.60
  6. Step 6: Final answer
    x = 123,994.07

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