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Finding the Fourth Proportional to 103,776.48, 143,218.80 and 59,064.48

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Solution

The fourth proportional to 103,776.48, 143,218.80 and 59,064.48 is: 81,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,776.48 : 143,218.80 = 59,064.48 : x
  2. Step 2: Convert to fraction form
    103,776.48/143,218.80 = 59,064.48/x
  3. Step 3: Cross multiply
    103,776.48x = 143,218.80 × 59,064.48
  4. Step 4: Simplify right side
    103,776.48x = 8,459,143,948.22
  5. Step 5: Solve for x
    x = 8,459,143,948.22/103,776.48
  6. Step 6: Final answer
    x = 81,513.11

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