Home / 133,474.36-184,235.62-76,923.40

Finding the Fourth Proportional to 133,474.36, 184,235.62 and 76,923.40

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Solution

The fourth proportional to 133,474.36, 184,235.62 and 76,923.40 is: 106,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,474.36 : 184,235.62 = 76,923.40 : x
  2. Step 2: Convert to fraction form
    133,474.36/184,235.62 = 76,923.40/x
  3. Step 3: Cross multiply
    133,474.36x = 184,235.62 × 76,923.40
  4. Step 4: Simplify right side
    133,474.36x = 14,172,030,291.51
  5. Step 5: Solve for x
    x = 14,172,030,291.51/133,474.36
  6. Step 6: Final answer
    x = 106,177.92

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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.