Home / 263,613.80-363,785.24-142,752.32

Finding the Fourth Proportional to 263,613.80, 363,785.24 and 142,752.32

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Solution

The fourth proportional to 263,613.80, 363,785.24 and 142,752.32 is: 196,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,613.80 : 363,785.24 = 142,752.32 : x
  2. Step 2: Convert to fraction form
    263,613.80/363,785.24 = 142,752.32/x
  3. Step 3: Cross multiply
    263,613.80x = 363,785.24 × 142,752.32
  4. Step 4: Simplify right side
    263,613.80x = 51,931,188,337.96
  5. Step 5: Solve for x
    x = 51,931,188,337.96/263,613.80
  6. Step 6: Final answer
    x = 196,997.23

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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.