Home / 253,789.20-350,243.28-144,925.68

Finding the Fourth Proportional to 253,789.20, 350,243.28 and 144,925.68

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Solution

The fourth proportional to 253,789.20, 350,243.28 and 144,925.68 is: 200,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,789.20 : 350,243.28 = 144,925.68 : x
  2. Step 2: Convert to fraction form
    253,789.20/350,243.28 = 144,925.68/x
  3. Step 3: Cross multiply
    253,789.20x = 350,243.28 × 144,925.68
  4. Step 4: Simplify right side
    253,789.20x = 50,759,245,519.43
  5. Step 5: Solve for x
    x = 50,759,245,519.43/253,789.20
  6. Step 6: Final answer
    x = 200,005.54

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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.