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Finding the Fourth Proportional to 157,741.52, 217,708.30 and 100,320.98

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Solution

The fourth proportional to 157,741.52, 217,708.30 and 100,320.98 is: 138,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,741.52 : 217,708.30 = 100,320.98 : x
  2. Step 2: Convert to fraction form
    157,741.52/217,708.30 = 100,320.98/x
  3. Step 3: Cross multiply
    157,741.52x = 217,708.30 × 100,320.98
  4. Step 4: Simplify right side
    157,741.52x = 21,840,710,010.13
  5. Step 5: Solve for x
    x = 21,840,710,010.13/157,741.52
  6. Step 6: Final answer
    x = 138,458.85

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