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Finding the Fourth Proportional to 133,672.05, 184,467.39 and 79,969.68

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Solution

The fourth proportional to 133,672.05, 184,467.39 and 79,969.68 is: 110,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,672.05 : 184,467.39 = 79,969.68 : x
  2. Step 2: Convert to fraction form
    133,672.05/184,467.39 = 79,969.68/x
  3. Step 3: Cross multiply
    133,672.05x = 184,467.39 × 79,969.68
  4. Step 4: Simplify right side
    133,672.05x = 14,751,798,148.74
  5. Step 5: Solve for x
    x = 14,751,798,148.74/133,672.05
  6. Step 6: Final answer
    x = 110,358.14

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1.5x scale

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.