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Finding the Fourth Proportional to 121,037.46, 181,561.07 and 42,159.66

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Solution

The fourth proportional to 121,037.46, 181,561.07 and 42,159.66 is: 63,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,037.46 : 181,561.07 = 42,159.66 : x
  2. Step 2: Convert to fraction form
    121,037.46/181,561.07 = 42,159.66/x
  3. Step 3: Cross multiply
    121,037.46x = 181,561.07 × 42,159.66
  4. Step 4: Simplify right side
    121,037.46x = 7,654,552,980.44
  5. Step 5: Solve for x
    x = 7,654,552,980.44/121,037.46
  6. Step 6: Final answer
    x = 63,241.19

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