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Finding the Fourth Proportional to 157,373.71, 217,168.92 and 89,390.47

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Solution

The fourth proportional to 157,373.71, 217,168.92 and 89,390.47 is: 123,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,373.71 : 217,168.92 = 89,390.47 : x
  2. Step 2: Convert to fraction form
    157,373.71/217,168.92 = 89,390.47/x
  3. Step 3: Cross multiply
    157,373.71x = 217,168.92 × 89,390.47
  4. Step 4: Simplify right side
    157,373.71x = 19,412,831,828.19
  5. Step 5: Solve for x
    x = 19,412,831,828.19/157,373.71
  6. Step 6: Final answer
    x = 123,354.99

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