Home / 133,504.43-184,199.68-76,122.82

Finding the Fourth Proportional to 133,504.43, 184,199.68 and 76,122.82

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Solution

The fourth proportional to 133,504.43, 184,199.68 and 76,122.82 is: 105,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,504.43 : 184,199.68 = 76,122.82 : x
  2. Step 2: Convert to fraction form
    133,504.43/184,199.68 = 76,122.82/x
  3. Step 3: Cross multiply
    133,504.43x = 184,199.68 × 76,122.82
  4. Step 4: Simplify right side
    133,504.43x = 14,021,799,124.64
  5. Step 5: Solve for x
    x = 14,021,799,124.64/133,504.43
  6. Step 6: Final answer
    x = 105,028.72

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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.