Home / 143,453.03-215,179.88-43,614.05

Finding the Fourth Proportional to 143,453.03, 215,179.88 and 43,614.05

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Solution

The fourth proportional to 143,453.03, 215,179.88 and 43,614.05 is: 65,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,453.03 : 215,179.88 = 43,614.05 : x
  2. Step 2: Convert to fraction form
    143,453.03/215,179.88 = 43,614.05/x
  3. Step 3: Cross multiply
    143,453.03x = 215,179.88 × 43,614.05
  4. Step 4: Simplify right side
    143,453.03x = 9,384,864,751.34
  5. Step 5: Solve for x
    x = 9,384,864,751.34/143,453.03
  6. Step 6: Final answer
    x = 65,421.17

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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.