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Finding the Fourth Proportional to 121,048.48, 181,577.56 and 42,170.68

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Solution

The fourth proportional to 121,048.48, 181,577.56 and 42,170.68 is: 63,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,048.48 : 181,577.56 = 42,170.68 : x
  2. Step 2: Convert to fraction form
    121,048.48/181,577.56 = 42,170.68/x
  3. Step 3: Cross multiply
    121,048.48x = 181,577.56 × 42,170.68
  4. Step 4: Simplify right side
    121,048.48x = 7,657,249,177.94
  5. Step 5: Solve for x
    x = 7,657,249,177.94/121,048.48
  6. Step 6: Final answer
    x = 63,257.71

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