Home / 255,113.85-352,060.32-140,405.70

Finding the Fourth Proportional to 255,113.85, 352,060.32 and 140,405.70

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Solution

The fourth proportional to 255,113.85, 352,060.32 and 140,405.70 is: 193,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,113.85 : 352,060.32 = 140,405.70 : x
  2. Step 2: Convert to fraction form
    255,113.85/352,060.32 = 140,405.70/x
  3. Step 3: Cross multiply
    255,113.85x = 352,060.32 × 140,405.70
  4. Step 4: Simplify right side
    255,113.85x = 49,431,275,671.82
  5. Step 5: Solve for x
    x = 49,431,275,671.82/255,113.85
  6. Step 6: Final answer
    x = 193,761.63

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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.