Home / 189,662.46-284,536.05-71,334.82

Finding the Fourth Proportional to 189,662.46, 284,536.05 and 71,334.82

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Solution

The fourth proportional to 189,662.46, 284,536.05 and 71,334.82 is: 107,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,662.46 : 284,536.05 = 71,334.82 : x
  2. Step 2: Convert to fraction form
    189,662.46/284,536.05 = 71,334.82/x
  3. Step 3: Cross multiply
    189,662.46x = 284,536.05 × 71,334.82
  4. Step 4: Simplify right side
    189,662.46x = 20,297,327,910.26
  5. Step 5: Solve for x
    x = 20,297,327,910.26/189,662.46
  6. Step 6: Final answer
    x = 107,018.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.