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Finding the Fourth Proportional to 118,445.28, 163,453.88 and 70,064.58

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Solution

The fourth proportional to 118,445.28, 163,453.88 and 70,064.58 is: 96,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,445.28 : 163,453.88 = 70,064.58 : x
  2. Step 2: Convert to fraction form
    118,445.28/163,453.88 = 70,064.58/x
  3. Step 3: Cross multiply
    118,445.28x = 163,453.88 × 70,064.58
  4. Step 4: Simplify right side
    118,445.28x = 11,452,327,451.57
  5. Step 5: Solve for x
    x = 11,452,327,451.57/118,445.28
  6. Step 6: Final answer
    x = 96,688.76

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