Home / 126,724.28-190,086.42-56,652.44

Finding the Fourth Proportional to 126,724.28, 190,086.42 and 56,652.44

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Solution

The fourth proportional to 126,724.28, 190,086.42 and 56,652.44 is: 84,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,724.28 : 190,086.42 = 56,652.44 : x
  2. Step 2: Convert to fraction form
    126,724.28/190,086.42 = 56,652.44/x
  3. Step 3: Cross multiply
    126,724.28x = 190,086.42 × 56,652.44
  4. Step 4: Simplify right side
    126,724.28x = 10,768,859,503.86
  5. Step 5: Solve for x
    x = 10,768,859,503.86/126,724.28
  6. Step 6: Final answer
    x = 84,978.66

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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.