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Finding the Fourth Proportional to 109,630.36, 151,292.70 and 61,888.12

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Solution

The fourth proportional to 109,630.36, 151,292.70 and 61,888.12 is: 85,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,630.36 : 151,292.70 = 61,888.12 : x
  2. Step 2: Convert to fraction form
    109,630.36/151,292.70 = 61,888.12/x
  3. Step 3: Cross multiply
    109,630.36x = 151,292.70 × 61,888.12
  4. Step 4: Simplify right side
    109,630.36x = 9,363,220,772.72
  5. Step 5: Solve for x
    x = 9,363,220,772.72/109,630.36
  6. Step 6: Final answer
    x = 85,407.19

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