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Finding the Fourth Proportional to 137,492.52, 189,739.08 and 77,063.16

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Solution

The fourth proportional to 137,492.52, 189,739.08 and 77,063.16 is: 106,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,492.52 : 189,739.08 = 77,063.16 : x
  2. Step 2: Convert to fraction form
    137,492.52/189,739.08 = 77,063.16/x
  3. Step 3: Cross multiply
    137,492.52x = 189,739.08 × 77,063.16
  4. Step 4: Simplify right side
    137,492.52x = 14,621,893,080.29
  5. Step 5: Solve for x
    x = 14,621,893,080.29/137,492.52
  6. Step 6: Final answer
    x = 106,346.83

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