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Finding the Fourth Proportional to 141,407.58, 195,143.19 and 77,749.48

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Solution

The fourth proportional to 141,407.58, 195,143.19 and 77,749.48 is: 107,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,407.58 : 195,143.19 = 77,749.48 : x
  2. Step 2: Convert to fraction form
    141,407.58/195,143.19 = 77,749.48/x
  3. Step 3: Cross multiply
    141,407.58x = 195,143.19 × 77,749.48
  4. Step 4: Simplify right side
    141,407.58x = 15,172,280,572.33
  5. Step 5: Solve for x
    x = 15,172,280,572.33/141,407.58
  6. Step 6: Final answer
    x = 107,294.68

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