Home / 133,642.42-184,375.10-76,284.96

Finding the Fourth Proportional to 133,642.42, 184,375.10 and 76,284.96

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Solution

The fourth proportional to 133,642.42, 184,375.10 and 76,284.96 is: 105,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,642.42 : 184,375.10 = 76,284.96 : x
  2. Step 2: Convert to fraction form
    133,642.42/184,375.10 = 76,284.96/x
  3. Step 3: Cross multiply
    133,642.42x = 184,375.10 × 76,284.96
  4. Step 4: Simplify right side
    133,642.42x = 14,065,047,128.50
  5. Step 5: Solve for x
    x = 14,065,047,128.50/133,642.42
  6. Step 6: Final answer
    x = 105,243.88

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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.