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Finding the Fourth Proportional to 98,965.63, 136,572.57 and 54,253.63

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Solution

The fourth proportional to 98,965.63, 136,572.57 and 54,253.63 is: 74,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,965.63 : 136,572.57 = 54,253.63 : x
  2. Step 2: Convert to fraction form
    98,965.63/136,572.57 = 54,253.63/x
  3. Step 3: Cross multiply
    98,965.63x = 136,572.57 × 54,253.63
  4. Step 4: Simplify right side
    98,965.63x = 7,409,557,680.93
  5. Step 5: Solve for x
    x = 7,409,557,680.93/98,965.63
  6. Step 6: Final answer
    x = 74,870.01

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