Home / 516,736.88-775,105.04-142,759.84

Finding the Fourth Proportional to 516,736.88, 775,105.04 and 142,759.84

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Solution

The fourth proportional to 516,736.88, 775,105.04 and 142,759.84 is: 214,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,736.88 : 775,105.04 = 142,759.84 : x
  2. Step 2: Convert to fraction form
    516,736.88/775,105.04 = 142,759.84/x
  3. Step 3: Cross multiply
    516,736.88x = 775,105.04 × 142,759.84
  4. Step 4: Simplify right side
    516,736.88x = 110,653,871,493.59
  5. Step 5: Solve for x
    x = 110,653,871,493.59/516,736.88
  6. Step 6: Final answer
    x = 214,139.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.