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Finding the Fourth Proportional to 104,421.13, 144,101.30 and 56,674.49

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Solution

The fourth proportional to 104,421.13, 144,101.30 and 56,674.49 is: 78,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.13 : 144,101.30 = 56,674.49 : x
  2. Step 2: Convert to fraction form
    104,421.13/144,101.30 = 56,674.49/x
  3. Step 3: Cross multiply
    104,421.13x = 144,101.30 × 56,674.49
  4. Step 4: Simplify right side
    104,421.13x = 8,166,866,681.96
  5. Step 5: Solve for x
    x = 8,166,866,681.96/104,421.13
  6. Step 6: Final answer
    x = 78,210.86

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