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Finding the Fourth Proportional to 157,368.44, 217,168.47 and 85,748.48

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Solution

The fourth proportional to 157,368.44, 217,168.47 and 85,748.48 is: 118,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,368.44 : 217,168.47 = 85,748.48 : x
  2. Step 2: Convert to fraction form
    157,368.44/217,168.47 = 85,748.48/x
  3. Step 3: Cross multiply
    157,368.44x = 217,168.47 × 85,748.48
  4. Step 4: Simplify right side
    157,368.44x = 18,621,865,120.58
  5. Step 5: Solve for x
    x = 18,621,865,120.58/157,368.44
  6. Step 6: Final answer
    x = 118,332.91

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