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Finding the Fourth Proportional to 125,931.73, 173,732.74 and 83,416.45

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Solution

The fourth proportional to 125,931.73, 173,732.74 and 83,416.45 is: 115,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,931.73 : 173,732.74 = 83,416.45 : x
  2. Step 2: Convert to fraction form
    125,931.73/173,732.74 = 83,416.45/x
  3. Step 3: Cross multiply
    125,931.73x = 173,732.74 × 83,416.45
  4. Step 4: Simplify right side
    125,931.73x = 14,492,168,419.57
  5. Step 5: Solve for x
    x = 14,492,168,419.57/125,931.73
  6. Step 6: Final answer
    x = 115,079.56

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