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Finding the Fourth Proportional to 272,867.51, 409,362.62 and 83,312.01

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Solution

The fourth proportional to 272,867.51, 409,362.62 and 83,312.01 is: 124,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,867.51 : 409,362.62 = 83,312.01 : x
  2. Step 2: Convert to fraction form
    272,867.51/409,362.62 = 83,312.01/x
  3. Step 3: Cross multiply
    272,867.51x = 409,362.62 × 83,312.01
  4. Step 4: Simplify right side
    272,867.51x = 34,104,823,913.76
  5. Step 5: Solve for x
    x = 34,104,823,913.76/272,867.51
  6. Step 6: Final answer
    x = 124,986.75

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