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Finding the Fourth Proportional to 144,455.60, 216,683.40 and 65,723.60

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Solution

The fourth proportional to 144,455.60, 216,683.40 and 65,723.60 is: 98,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,455.60 : 216,683.40 = 65,723.60 : x
  2. Step 2: Convert to fraction form
    144,455.60/216,683.40 = 65,723.60/x
  3. Step 3: Cross multiply
    144,455.60x = 216,683.40 × 65,723.60
  4. Step 4: Simplify right side
    144,455.60x = 14,241,213,108.24
  5. Step 5: Solve for x
    x = 14,241,213,108.24/144,455.60
  6. Step 6: Final answer
    x = 98,585.40

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