Home / 223,499.56-308,433.24-121,525.71

Finding the Fourth Proportional to 223,499.56, 308,433.24 and 121,525.71

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Solution

The fourth proportional to 223,499.56, 308,433.24 and 121,525.71 is: 167,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,499.56 : 308,433.24 = 121,525.71 : x
  2. Step 2: Convert to fraction form
    223,499.56/308,433.24 = 121,525.71/x
  3. Step 3: Cross multiply
    223,499.56x = 308,433.24 × 121,525.71
  4. Step 4: Simplify right side
    223,499.56x = 37,482,568,531.24
  5. Step 5: Solve for x
    x = 37,482,568,531.24/223,499.56
  6. Step 6: Final answer
    x = 167,707.57

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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.