Home / 126,130.77-189,176.72-55,997.73

Finding the Fourth Proportional to 126,130.77, 189,176.72 and 55,997.73

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Solution

The fourth proportional to 126,130.77, 189,176.72 and 55,997.73 is: 83,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,130.77 : 189,176.72 = 55,997.73 : x
  2. Step 2: Convert to fraction form
    126,130.77/189,176.72 = 55,997.73/x
  3. Step 3: Cross multiply
    126,130.77x = 189,176.72 × 55,997.73
  4. Step 4: Simplify right side
    126,130.77x = 10,593,466,608.86
  5. Step 5: Solve for x
    x = 10,593,466,608.86/126,130.77
  6. Step 6: Final answer
    x = 83,987.96

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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.