Home / 133,622.45-184,401.94-76,260.63

Finding the Fourth Proportional to 133,622.45, 184,401.94 and 76,260.63

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Solution

The fourth proportional to 133,622.45, 184,401.94 and 76,260.63 is: 105,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,622.45 : 184,401.94 = 76,260.63 : x
  2. Step 2: Convert to fraction form
    133,622.45/184,401.94 = 76,260.63/x
  3. Step 3: Cross multiply
    133,622.45x = 184,401.94 × 76,260.63
  4. Step 4: Simplify right side
    133,622.45x = 14,062,608,117.62
  5. Step 5: Solve for x
    x = 14,062,608,117.62/133,622.45
  6. Step 6: Final answer
    x = 105,241.36

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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.