Home / 133,692-184,494.96-79,979.28

Finding the Fourth Proportional to 133,692, 184,494.96 and 79,979.28

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Solution

The fourth proportional to 133,692, 184,494.96 and 79,979.28 is: 110,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,692 : 184,494.96 = 79,979.28 : x
  2. Step 2: Convert to fraction form
    133,692/184,494.96 = 79,979.28/x
  3. Step 3: Cross multiply
    133,692x = 184,494.96 × 79,979.28
  4. Step 4: Simplify right side
    133,692x = 14,755,774,064.43
  5. Step 5: Solve for x
    x = 14,755,774,064.43/133,692
  6. Step 6: Final answer
    x = 110,371.41

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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.