Home / 263,156.10-363,157.48-145,286.74

Finding the Fourth Proportional to 263,156.10, 363,157.48 and 145,286.74

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Solution

The fourth proportional to 263,156.10, 363,157.48 and 145,286.74 is: 200,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,156.10 : 363,157.48 = 145,286.74 : x
  2. Step 2: Convert to fraction form
    263,156.10/363,157.48 = 145,286.74/x
  3. Step 3: Cross multiply
    263,156.10x = 363,157.48 × 145,286.74
  4. Step 4: Simplify right side
    263,156.10x = 52,761,966,375.82
  5. Step 5: Solve for x
    x = 52,761,966,375.82/263,156.10
  6. Step 6: Final answer
    x = 200,496.84

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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.