Home / 133,669.80-184,458.72-79,923.06

Finding the Fourth Proportional to 133,669.80, 184,458.72 and 79,923.06

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Solution

The fourth proportional to 133,669.80, 184,458.72 and 79,923.06 is: 110,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669.80 : 184,458.72 = 79,923.06 : x
  2. Step 2: Convert to fraction form
    133,669.80/184,458.72 = 79,923.06/x
  3. Step 3: Cross multiply
    133,669.80x = 184,458.72 × 79,923.06
  4. Step 4: Simplify right side
    133,669.80x = 14,742,505,346.08
  5. Step 5: Solve for x
    x = 14,742,505,346.08/133,669.80
  6. Step 6: Final answer
    x = 110,290.47

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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.