Home / 133,421.76-184,273.20-90,906.48

Finding the Fourth Proportional to 133,421.76, 184,273.20 and 90,906.48

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Solution

The fourth proportional to 133,421.76, 184,273.20 and 90,906.48 is: 125,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,421.76 : 184,273.20 = 90,906.48 : x
  2. Step 2: Convert to fraction form
    133,421.76/184,273.20 = 90,906.48/x
  3. Step 3: Cross multiply
    133,421.76x = 184,273.20 × 90,906.48
  4. Step 4: Simplify right side
    133,421.76x = 16,751,627,970.34
  5. Step 5: Solve for x
    x = 16,751,627,970.34/133,421.76
  6. Step 6: Final answer
    x = 125,553.94

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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.