Home / 230,581.27-318,273.06-135,118.72

Finding the Fourth Proportional to 230,581.27, 318,273.06 and 135,118.72

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Solution

The fourth proportional to 230,581.27, 318,273.06 and 135,118.72 is: 186,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,581.27 : 318,273.06 = 135,118.72 : x
  2. Step 2: Convert to fraction form
    230,581.27/318,273.06 = 135,118.72/x
  3. Step 3: Cross multiply
    230,581.27x = 318,273.06 × 135,118.72
  4. Step 4: Simplify right side
    230,581.27x = 43,004,648,477.68
  5. Step 5: Solve for x
    x = 43,004,648,477.68/230,581.27
  6. Step 6: Final answer
    x = 186,505.38

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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.