Home / 133,733.40-184,571-82,762.56

Finding the Fourth Proportional to 133,733.40, 184,571 and 82,762.56

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Solution

The fourth proportional to 133,733.40, 184,571 and 82,762.56 is: 114,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,733.40 : 184,571 = 82,762.56 : x
  2. Step 2: Convert to fraction form
    133,733.40/184,571 = 82,762.56/x
  3. Step 3: Cross multiply
    133,733.40x = 184,571 × 82,762.56
  4. Step 4: Simplify right side
    133,733.40x = 15,275,568,461.76
  5. Step 5: Solve for x
    x = 15,275,568,461.76/133,733.40
  6. Step 6: Final answer
    x = 114,224.03

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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.