Home / 133,336.05-184,050.08-76,769.97

Finding the Fourth Proportional to 133,336.05, 184,050.08 and 76,769.97

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Solution

The fourth proportional to 133,336.05, 184,050.08 and 76,769.97 is: 105,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,336.05 : 184,050.08 = 76,769.97 : x
  2. Step 2: Convert to fraction form
    133,336.05/184,050.08 = 76,769.97/x
  3. Step 3: Cross multiply
    133,336.05x = 184,050.08 × 76,769.97
  4. Step 4: Simplify right side
    133,336.05x = 14,129,519,120.10
  5. Step 5: Solve for x
    x = 14,129,519,120.10/133,336.05
  6. Step 6: Final answer
    x = 105,969.23

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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.