Home / 133,489.13-184,213.58-76,137.82

Finding the Fourth Proportional to 133,489.13, 184,213.58 and 76,137.82

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Solution

The fourth proportional to 133,489.13, 184,213.58 and 76,137.82 is: 105,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,489.13 : 184,213.58 = 76,137.82 : x
  2. Step 2: Convert to fraction form
    133,489.13/184,213.58 = 76,137.82/x
  3. Step 3: Cross multiply
    133,489.13x = 184,213.58 × 76,137.82
  4. Step 4: Simplify right side
    133,489.13x = 14,025,619,554.37
  5. Step 5: Solve for x
    x = 14,025,619,554.37/133,489.13
  6. Step 6: Final answer
    x = 105,069.38

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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.