Home / 255,639.56-352,766.48-140,911.88

Finding the Fourth Proportional to 255,639.56, 352,766.48 and 140,911.88

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Solution

The fourth proportional to 255,639.56, 352,766.48 and 140,911.88 is: 194,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,639.56 : 352,766.48 = 140,911.88 : x
  2. Step 2: Convert to fraction form
    255,639.56/352,766.48 = 140,911.88/x
  3. Step 3: Cross multiply
    255,639.56x = 352,766.48 × 140,911.88
  4. Step 4: Simplify right side
    255,639.56x = 49,708,985,429.39
  5. Step 5: Solve for x
    x = 49,708,985,429.39/255,639.56
  6. Step 6: Final answer
    x = 194,449.51

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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.