Home / 121,279.56-181,853.73-41,293.68

Finding the Fourth Proportional to 121,279.56, 181,853.73 and 41,293.68

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Solution

The fourth proportional to 121,279.56, 181,853.73 and 41,293.68 is: 61,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279.56 : 181,853.73 = 41,293.68 : x
  2. Step 2: Convert to fraction form
    121,279.56/181,853.73 = 41,293.68/x
  3. Step 3: Cross multiply
    121,279.56x = 181,853.73 × 41,293.68
  4. Step 4: Simplify right side
    121,279.56x = 7,509,409,733.43
  5. Step 5: Solve for x
    x = 7,509,409,733.43/121,279.56
  6. Step 6: Final answer
    x = 61,918.18

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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.