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Finding the Fourth Proportional to 144,551.40, 216,827.10 and 55,807.80

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Solution

The fourth proportional to 144,551.40, 216,827.10 and 55,807.80 is: 83,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,551.40 : 216,827.10 = 55,807.80 : x
  2. Step 2: Convert to fraction form
    144,551.40/216,827.10 = 55,807.80/x
  3. Step 3: Cross multiply
    144,551.40x = 216,827.10 × 55,807.80
  4. Step 4: Simplify right side
    144,551.40x = 12,100,643,431.38
  5. Step 5: Solve for x
    x = 12,100,643,431.38/144,551.40
  6. Step 6: Final answer
    x = 83,711.70

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