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Finding the Fourth Proportional to 99,082.04, 136,733.16 and 56,641.48

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Solution

The fourth proportional to 99,082.04, 136,733.16 and 56,641.48 is: 78,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,082.04 : 136,733.16 = 56,641.48 : x
  2. Step 2: Convert to fraction form
    99,082.04/136,733.16 = 56,641.48/x
  3. Step 3: Cross multiply
    99,082.04x = 136,733.16 × 56,641.48
  4. Step 4: Simplify right side
    99,082.04x = 7,744,768,418.05
  5. Step 5: Solve for x
    x = 7,744,768,418.05/99,082.04
  6. Step 6: Final answer
    x = 78,165.21

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