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Finding the Fourth Proportional to 123,915.70, 185,769.06 and 53,742.16

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Solution

The fourth proportional to 123,915.70, 185,769.06 and 53,742.16 is: 80,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,915.70 : 185,769.06 = 53,742.16 : x
  2. Step 2: Convert to fraction form
    123,915.70/185,769.06 = 53,742.16/x
  3. Step 3: Cross multiply
    123,915.70x = 185,769.06 × 53,742.16
  4. Step 4: Simplify right side
    123,915.70x = 9,983,630,545.57
  5. Step 5: Solve for x
    x = 9,983,630,545.57/123,915.70
  6. Step 6: Final answer
    x = 80,567.92

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