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Finding the Fourth Proportional to 174,402.40, 261,085.20 and 115,304.80

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Solution

The fourth proportional to 174,402.40, 261,085.20 and 115,304.80 is: 172,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,402.40 : 261,085.20 = 115,304.80 : x
  2. Step 2: Convert to fraction form
    174,402.40/261,085.20 = 115,304.80/x
  3. Step 3: Cross multiply
    174,402.40x = 261,085.20 × 115,304.80
  4. Step 4: Simplify right side
    174,402.40x = 30,104,376,768.96
  5. Step 5: Solve for x
    x = 30,104,376,768.96/174,402.40
  6. Step 6: Final answer
    x = 172,614.46

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