Home / 133,872.24-184,741.96-76,511.04

Finding the Fourth Proportional to 133,872.24, 184,741.96 and 76,511.04

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Solution

The fourth proportional to 133,872.24, 184,741.96 and 76,511.04 is: 105,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,872.24 : 184,741.96 = 76,511.04 : x
  2. Step 2: Convert to fraction form
    133,872.24/184,741.96 = 76,511.04/x
  3. Step 3: Cross multiply
    133,872.24x = 184,741.96 × 76,511.04
  4. Step 4: Simplify right side
    133,872.24x = 14,134,799,491.24
  5. Step 5: Solve for x
    x = 14,134,799,491.24/133,872.24
  6. Step 6: Final answer
    x = 105,584.25

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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.