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Finding the Fourth Proportional to 145,920.74, 201,370.28 and 82,258.07

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Solution

The fourth proportional to 145,920.74, 201,370.28 and 82,258.07 is: 113,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,920.74 : 201,370.28 = 82,258.07 : x
  2. Step 2: Convert to fraction form
    145,920.74/201,370.28 = 82,258.07/x
  3. Step 3: Cross multiply
    145,920.74x = 201,370.28 × 82,258.07
  4. Step 4: Simplify right side
    145,920.74x = 16,564,329,170.02
  5. Step 5: Solve for x
    x = 16,564,329,170.02/145,920.74
  6. Step 6: Final answer
    x = 113,515.94

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