Home / 168,447.73-253,006.93-105,379.51

Finding the Fourth Proportional to 168,447.73, 253,006.93 and 105,379.51

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Solution

The fourth proportional to 168,447.73, 253,006.93 and 105,379.51 is: 158,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,447.73 : 253,006.93 = 105,379.51 : x
  2. Step 2: Convert to fraction form
    168,447.73/253,006.93 = 105,379.51/x
  3. Step 3: Cross multiply
    168,447.73x = 253,006.93 × 105,379.51
  4. Step 4: Simplify right side
    168,447.73x = 26,661,745,809.21
  5. Step 5: Solve for x
    x = 26,661,745,809.21/168,447.73
  6. Step 6: Final answer
    x = 158,279.05

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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.