Home / 218,512.42-301,552.79-123,022.53

Finding the Fourth Proportional to 218,512.42, 301,552.79 and 123,022.53

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Solution

The fourth proportional to 218,512.42, 301,552.79 and 123,022.53 is: 169,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,512.42 : 301,552.79 = 123,022.53 : x
  2. Step 2: Convert to fraction form
    218,512.42/301,552.79 = 123,022.53/x
  3. Step 3: Cross multiply
    218,512.42x = 301,552.79 × 123,022.53
  4. Step 4: Simplify right side
    218,512.42x = 37,097,786,539.25
  5. Step 5: Solve for x
    x = 37,097,786,539.25/218,512.42
  6. Step 6: Final answer
    x = 169,774.27

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1.5x scale

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.