Home / 101,727.27-140,383.94-56,408.45

Finding the Fourth Proportional to 101,727.27, 140,383.94 and 56,408.45

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Solution

The fourth proportional to 101,727.27, 140,383.94 and 56,408.45 is: 77,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,727.27 : 140,383.94 = 56,408.45 : x
  2. Step 2: Convert to fraction form
    101,727.27/140,383.94 = 56,408.45/x
  3. Step 3: Cross multiply
    101,727.27x = 140,383.94 × 56,408.45
  4. Step 4: Simplify right side
    101,727.27x = 7,918,839,476.33
  5. Step 5: Solve for x
    x = 7,918,839,476.33/101,727.27
  6. Step 6: Final answer
    x = 77,843.82

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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.