Home / 133,704.38-184,539.39-77,108.06

Finding the Fourth Proportional to 133,704.38, 184,539.39 and 77,108.06

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Solution

The fourth proportional to 133,704.38, 184,539.39 and 77,108.06 is: 106,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,704.38 : 184,539.39 = 77,108.06 : x
  2. Step 2: Convert to fraction form
    133,704.38/184,539.39 = 77,108.06/x
  3. Step 3: Cross multiply
    133,704.38x = 184,539.39 × 77,108.06
  4. Step 4: Simplify right side
    133,704.38x = 14,229,474,356.48
  5. Step 5: Solve for x
    x = 14,229,474,356.48/133,704.38
  6. Step 6: Final answer
    x = 106,424.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.