Home / 218,420.26-301,429.66-122,933.14

Finding the Fourth Proportional to 218,420.26, 301,429.66 and 122,933.14

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Solution

The fourth proportional to 218,420.26, 301,429.66 and 122,933.14 is: 169,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,420.26 : 301,429.66 = 122,933.14 : x
  2. Step 2: Convert to fraction form
    218,420.26/301,429.66 = 122,933.14/x
  3. Step 3: Cross multiply
    218,420.26x = 301,429.66 × 122,933.14
  4. Step 4: Simplify right side
    218,420.26x = 37,055,694,592.93
  5. Step 5: Solve for x
    x = 37,055,694,592.93/218,420.26
  6. Step 6: Final answer
    x = 169,653.19

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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.