Home / 168,965.56-253,496.22-84,623.86

Finding the Fourth Proportional to 168,965.56, 253,496.22 and 84,623.86

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Solution

The fourth proportional to 168,965.56, 253,496.22 and 84,623.86 is: 126,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,965.56 : 253,496.22 = 84,623.86 : x
  2. Step 2: Convert to fraction form
    168,965.56/253,496.22 = 84,623.86/x
  3. Step 3: Cross multiply
    168,965.56x = 253,496.22 × 84,623.86
  4. Step 4: Simplify right side
    168,965.56x = 21,451,828,631.81
  5. Step 5: Solve for x
    x = 21,451,828,631.81/168,965.56
  6. Step 6: Final answer
    x = 126,959.77

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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.