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Finding the Fourth Proportional to 156,688.80, 235,033.20 and 153,578.40

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Solution

The fourth proportional to 156,688.80, 235,033.20 and 153,578.40 is: 230,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,688.80 : 235,033.20 = 153,578.40 : x
  2. Step 2: Convert to fraction form
    156,688.80/235,033.20 = 153,578.40/x
  3. Step 3: Cross multiply
    156,688.80x = 235,033.20 × 153,578.40
  4. Step 4: Simplify right side
    156,688.80x = 36,096,022,802.88
  5. Step 5: Solve for x
    x = 36,096,022,802.88/156,688.80
  6. Step 6: Final answer
    x = 230,367.60

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