Home / 168,918.16-253,305.96-50,606.32

Finding the Fourth Proportional to 168,918.16, 253,305.96 and 50,606.32

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Solution

The fourth proportional to 168,918.16, 253,305.96 and 50,606.32 is: 75,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,918.16 : 253,305.96 = 50,606.32 : x
  2. Step 2: Convert to fraction form
    168,918.16/253,305.96 = 50,606.32/x
  3. Step 3: Cross multiply
    168,918.16x = 253,305.96 × 50,606.32
  4. Step 4: Simplify right side
    168,918.16x = 12,818,882,469.67
  5. Step 5: Solve for x
    x = 12,818,882,469.67/168,918.16
  6. Step 6: Final answer
    x = 75,888.13

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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.