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Finding the Fourth Proportional to 181,051.20, 249,972.48 and 138,533.76

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Solution

The fourth proportional to 181,051.20, 249,972.48 and 138,533.76 is: 191,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,051.20 : 249,972.48 = 138,533.76 : x
  2. Step 2: Convert to fraction form
    181,051.20/249,972.48 = 138,533.76/x
  3. Step 3: Cross multiply
    181,051.20x = 249,972.48 × 138,533.76
  4. Step 4: Simplify right side
    181,051.20x = 34,629,627,550.92
  5. Step 5: Solve for x
    x = 34,629,627,550.92/181,051.20
  6. Step 6: Final answer
    x = 191,269.80

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