Home / 257,932.68-355,981.86-144,761.64

Finding the Fourth Proportional to 257,932.68, 355,981.86 and 144,761.64

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Solution

The fourth proportional to 257,932.68, 355,981.86 and 144,761.64 is: 199,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,932.68 : 355,981.86 = 144,761.64 : x
  2. Step 2: Convert to fraction form
    257,932.68/355,981.86 = 144,761.64/x
  3. Step 3: Cross multiply
    257,932.68x = 355,981.86 × 144,761.64
  4. Step 4: Simplify right side
    257,932.68x = 51,532,517,863.85
  5. Step 5: Solve for x
    x = 51,532,517,863.85/257,932.68
  6. Step 6: Final answer
    x = 199,790.57

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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.