Home / 218,944.88-302,144.36-123,451.36

Finding the Fourth Proportional to 218,944.88, 302,144.36 and 123,451.36

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Solution

The fourth proportional to 218,944.88, 302,144.36 and 123,451.36 is: 170,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,944.88 : 302,144.36 = 123,451.36 : x
  2. Step 2: Convert to fraction form
    218,944.88/302,144.36 = 123,451.36/x
  3. Step 3: Cross multiply
    218,944.88x = 302,144.36 × 123,451.36
  4. Step 4: Simplify right side
    218,944.88x = 37,300,132,158.33
  5. Step 5: Solve for x
    x = 37,300,132,158.33/218,944.88
  6. Step 6: Final answer
    x = 170,363.12

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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.