Home / 263,767.36-363,999-142,909.44

Finding the Fourth Proportional to 263,767.36, 363,999 and 142,909.44

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Solution

The fourth proportional to 263,767.36, 363,999 and 142,909.44 is: 197,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,767.36 : 363,999 = 142,909.44 : x
  2. Step 2: Convert to fraction form
    263,767.36/363,999 = 142,909.44/x
  3. Step 3: Cross multiply
    263,767.36x = 363,999 × 142,909.44
  4. Step 4: Simplify right side
    263,767.36x = 52,018,893,250.56
  5. Step 5: Solve for x
    x = 52,018,893,250.56/263,767.36
  6. Step 6: Final answer
    x = 197,215.05

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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.