Home / 133,447.75-184,139.73-79,721.36

Finding the Fourth Proportional to 133,447.75, 184,139.73 and 79,721.36

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Solution

The fourth proportional to 133,447.75, 184,139.73 and 79,721.36 is: 110,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,447.75 : 184,139.73 = 79,721.36 : x
  2. Step 2: Convert to fraction form
    133,447.75/184,139.73 = 79,721.36/x
  3. Step 3: Cross multiply
    133,447.75x = 184,139.73 × 79,721.36
  4. Step 4: Simplify right side
    133,447.75x = 14,679,869,705.63
  5. Step 5: Solve for x
    x = 14,679,869,705.63/133,447.75
  6. Step 6: Final answer
    x = 110,004.63

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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.