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Finding the Fourth Proportional to 134,448.55, 201,672.83 and 128,543.65

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Solution

The fourth proportional to 134,448.55, 201,672.83 and 128,543.65 is: 192,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,448.55 : 201,672.83 = 128,543.65 : x
  2. Step 2: Convert to fraction form
    134,448.55/201,672.83 = 128,543.65/x
  3. Step 3: Cross multiply
    134,448.55x = 201,672.83 × 128,543.65
  4. Step 4: Simplify right side
    134,448.55x = 25,923,761,031.31
  5. Step 5: Solve for x
    x = 25,923,761,031.31/134,448.55
  6. Step 6: Final answer
    x = 192,815.48

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