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Finding the Fourth Proportional to 158,031.60, 236,998.80 and 45,722.40

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Solution

The fourth proportional to 158,031.60, 236,998.80 and 45,722.40 is: 68,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,031.60 : 236,998.80 = 45,722.40 : x
  2. Step 2: Convert to fraction form
    158,031.60/236,998.80 = 45,722.40/x
  3. Step 3: Cross multiply
    158,031.60x = 236,998.80 × 45,722.40
  4. Step 4: Simplify right side
    158,031.60x = 10,836,153,933.12
  5. Step 5: Solve for x
    x = 10,836,153,933.12/158,031.60
  6. Step 6: Final answer
    x = 68,569.54

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