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Finding the Fourth Proportional to 113,377.80, 170,066.70 and 99,553.80

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Solution

The fourth proportional to 113,377.80, 170,066.70 and 99,553.80 is: 149,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,377.80 : 170,066.70 = 99,553.80 : x
  2. Step 2: Convert to fraction form
    113,377.80/170,066.70 = 99,553.80/x
  3. Step 3: Cross multiply
    113,377.80x = 170,066.70 × 99,553.80
  4. Step 4: Simplify right side
    113,377.80x = 16,930,786,238.46
  5. Step 5: Solve for x
    x = 16,930,786,238.46/113,377.80
  6. Step 6: Final answer
    x = 149,330.70

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