Home / 133,481.61-184,207.05-76,127.54

Finding the Fourth Proportional to 133,481.61, 184,207.05 and 76,127.54

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Solution

The fourth proportional to 133,481.61, 184,207.05 and 76,127.54 is: 105,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,481.61 : 184,207.05 = 76,127.54 : x
  2. Step 2: Convert to fraction form
    133,481.61/184,207.05 = 76,127.54/x
  3. Step 3: Cross multiply
    133,481.61x = 184,207.05 × 76,127.54
  4. Step 4: Simplify right side
    133,481.61x = 14,023,228,646.12
  5. Step 5: Solve for x
    x = 14,023,228,646.12/133,481.61
  6. Step 6: Final answer
    x = 105,057.38

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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.