Home / 180,183.28-248,389.32-126,305.68

Finding the Fourth Proportional to 180,183.28, 248,389.32 and 126,305.68

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Solution

The fourth proportional to 180,183.28, 248,389.32 and 126,305.68 is: 174,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,183.28 : 248,389.32 = 126,305.68 : x
  2. Step 2: Convert to fraction form
    180,183.28/248,389.32 = 126,305.68/x
  3. Step 3: Cross multiply
    180,183.28x = 248,389.32 × 126,305.68
  4. Step 4: Simplify right side
    180,183.28x = 31,372,981,967.34
  5. Step 5: Solve for x
    x = 31,372,981,967.34/180,183.28
  6. Step 6: Final answer
    x = 174,117.05

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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.