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Finding the Fourth Proportional to 107,630.40, 161,503.20 and 48,475.20

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Solution

The fourth proportional to 107,630.40, 161,503.20 and 48,475.20 is: 72,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,630.40 : 161,503.20 = 48,475.20 : x
  2. Step 2: Convert to fraction form
    107,630.40/161,503.20 = 48,475.20/x
  3. Step 3: Cross multiply
    107,630.40x = 161,503.20 × 48,475.20
  4. Step 4: Simplify right side
    107,630.40x = 7,828,899,920.64
  5. Step 5: Solve for x
    x = 7,828,899,920.64/107,630.40
  6. Step 6: Final answer
    x = 72,738.74

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