Home / 143,161.11-214,743.69-43,322.13

Finding the Fourth Proportional to 143,161.11, 214,743.69 and 43,322.13

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Solution

The fourth proportional to 143,161.11, 214,743.69 and 43,322.13 is: 64,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,161.11 : 214,743.69 = 43,322.13 : x
  2. Step 2: Convert to fraction form
    143,161.11/214,743.69 = 43,322.13/x
  3. Step 3: Cross multiply
    143,161.11x = 214,743.69 × 43,322.13
  4. Step 4: Simplify right side
    143,161.11x = 9,303,154,054.86
  5. Step 5: Solve for x
    x = 9,303,154,054.86/143,161.11
  6. Step 6: Final answer
    x = 64,983.81

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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.