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Finding the Fourth Proportional to 243,063.65, 364,631.94 and 85,264.31

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Solution

The fourth proportional to 243,063.65, 364,631.94 and 85,264.31 is: 127,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,063.65 : 364,631.94 = 85,264.31 : x
  2. Step 2: Convert to fraction form
    243,063.65/364,631.94 = 85,264.31/x
  3. Step 3: Cross multiply
    243,063.65x = 364,631.94 × 85,264.31
  4. Step 4: Simplify right side
    243,063.65x = 31,090,088,944.90
  5. Step 5: Solve for x
    x = 31,090,088,944.90/243,063.65
  6. Step 6: Final answer
    x = 127,909.25

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