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Finding the Fourth Proportional to 157,703.28, 217,598.04 and 90,622.32

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Solution

The fourth proportional to 157,703.28, 217,598.04 and 90,622.32 is: 125,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,703.28 : 217,598.04 = 90,622.32 : x
  2. Step 2: Convert to fraction form
    157,703.28/217,598.04 = 90,622.32/x
  3. Step 3: Cross multiply
    157,703.28x = 217,598.04 × 90,622.32
  4. Step 4: Simplify right side
    157,703.28x = 19,719,239,212.25
  5. Step 5: Solve for x
    x = 19,719,239,212.25/157,703.28
  6. Step 6: Final answer
    x = 125,040.13

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