Home / 263,170.70-363,176.43-142,312.85

Finding the Fourth Proportional to 263,170.70, 363,176.43 and 142,312.85

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Solution

The fourth proportional to 263,170.70, 363,176.43 and 142,312.85 is: 196,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,170.70 : 363,176.43 = 142,312.85 : x
  2. Step 2: Convert to fraction form
    263,170.70/363,176.43 = 142,312.85/x
  3. Step 3: Cross multiply
    263,170.70x = 363,176.43 × 142,312.85
  4. Step 4: Simplify right side
    263,170.70x = 51,684,670,990.24
  5. Step 5: Solve for x
    x = 51,684,670,990.24/263,170.70
  6. Step 6: Final answer
    x = 196,392.20

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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.