Home / 133,857.41-184,723.51-73,428.55

Finding the Fourth Proportional to 133,857.41, 184,723.51 and 73,428.55

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Solution

The fourth proportional to 133,857.41, 184,723.51 and 73,428.55 is: 101,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,857.41 : 184,723.51 = 73,428.55 : x
  2. Step 2: Convert to fraction form
    133,857.41/184,723.51 = 73,428.55/x
  3. Step 3: Cross multiply
    133,857.41x = 184,723.51 × 73,428.55
  4. Step 4: Simplify right side
    133,857.41x = 13,563,979,708.56
  5. Step 5: Solve for x
    x = 13,563,979,708.56/133,857.41
  6. Step 6: Final answer
    x = 101,331.56

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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.