Home / 168,922.40-253,383.60-155,144.30

Finding the Fourth Proportional to 168,922.40, 253,383.60 and 155,144.30

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Solution

The fourth proportional to 168,922.40, 253,383.60 and 155,144.30 is: 232,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,922.40 : 253,383.60 = 155,144.30 : x
  2. Step 2: Convert to fraction form
    168,922.40/253,383.60 = 155,144.30/x
  3. Step 3: Cross multiply
    168,922.40x = 253,383.60 × 155,144.30
  4. Step 4: Simplify right side
    168,922.40x = 39,311,021,253.48
  5. Step 5: Solve for x
    x = 39,311,021,253.48/168,922.40
  6. Step 6: Final answer
    x = 232,716.45

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1.5x scale

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.