Home / 257,953.20-355,972.44-144,773.52

Finding the Fourth Proportional to 257,953.20, 355,972.44 and 144,773.52

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Solution

The fourth proportional to 257,953.20, 355,972.44 and 144,773.52 is: 199,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,953.20 : 355,972.44 = 144,773.52 : x
  2. Step 2: Convert to fraction form
    257,953.20/355,972.44 = 144,773.52/x
  3. Step 3: Cross multiply
    257,953.20x = 355,972.44 × 144,773.52
  4. Step 4: Simplify right side
    257,953.20x = 51,535,383,161.79
  5. Step 5: Solve for x
    x = 51,535,383,161.79/257,953.20
  6. Step 6: Final answer
    x = 199,785.79

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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.