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Finding the Fourth Proportional to 261,557.76, 360,940.32 and 148,402.56

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Solution

The fourth proportional to 261,557.76, 360,940.32 and 148,402.56 is: 204,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,557.76 : 360,940.32 = 148,402.56 : x
  2. Step 2: Convert to fraction form
    261,557.76/360,940.32 = 148,402.56/x
  3. Step 3: Cross multiply
    261,557.76x = 360,940.32 × 148,402.56
  4. Step 4: Simplify right side
    261,557.76x = 53,564,467,495.22
  5. Step 5: Solve for x
    x = 53,564,467,495.22/261,557.76
  6. Step 6: Final answer
    x = 204,790.21

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