Home / 105,379.03-145,425.19-57,635.45

Finding the Fourth Proportional to 105,379.03, 145,425.19 and 57,635.45

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Solution

The fourth proportional to 105,379.03, 145,425.19 and 57,635.45 is: 79,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,379.03 : 145,425.19 = 57,635.45 : x
  2. Step 2: Convert to fraction form
    105,379.03/145,425.19 = 57,635.45/x
  3. Step 3: Cross multiply
    105,379.03x = 145,425.19 × 57,635.45
  4. Step 4: Simplify right side
    105,379.03x = 8,381,645,539.86
  5. Step 5: Solve for x
    x = 8,381,645,539.86/105,379.03
  6. Step 6: Final answer
    x = 79,538.08

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