Home / 101,727.96-140,380.48-55,786.66

Finding the Fourth Proportional to 101,727.96, 140,380.48 and 55,786.66

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Solution

The fourth proportional to 101,727.96, 140,380.48 and 55,786.66 is: 76,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,727.96 : 140,380.48 = 55,786.66 : x
  2. Step 2: Convert to fraction form
    101,727.96/140,380.48 = 55,786.66/x
  3. Step 3: Cross multiply
    101,727.96x = 140,380.48 × 55,786.66
  4. Step 4: Simplify right side
    101,727.96x = 7,831,358,108.40
  5. Step 5: Solve for x
    x = 7,831,358,108.40/101,727.96
  6. Step 6: Final answer
    x = 76,983.34

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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.