Home / 211,550.93-291,983.26-143,589.81

Finding the Fourth Proportional to 211,550.93, 291,983.26 and 143,589.81

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Solution

The fourth proportional to 211,550.93, 291,983.26 and 143,589.81 is: 198,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,550.93 : 291,983.26 = 143,589.81 : x
  2. Step 2: Convert to fraction form
    211,550.93/291,983.26 = 143,589.81/x
  3. Step 3: Cross multiply
    211,550.93x = 291,983.26 × 143,589.81
  4. Step 4: Simplify right side
    211,550.93x = 41,925,820,826.58
  5. Step 5: Solve for x
    x = 41,925,820,826.58/211,550.93
  6. Step 6: Final answer
    x = 198,183.11

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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.