Home / 255,650.87-352,799.31-140,927.05

Finding the Fourth Proportional to 255,650.87, 352,799.31 and 140,927.05

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Solution

The fourth proportional to 255,650.87, 352,799.31 and 140,927.05 is: 194,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,650.87 : 352,799.31 = 140,927.05 : x
  2. Step 2: Convert to fraction form
    255,650.87/352,799.31 = 140,927.05/x
  3. Step 3: Cross multiply
    255,650.87x = 352,799.31 × 140,927.05
  4. Step 4: Simplify right side
    255,650.87x = 49,718,965,084.74
  5. Step 5: Solve for x
    x = 49,718,965,084.74/255,650.87
  6. Step 6: Final answer
    x = 194,479.93

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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.