Home / 126,112.16-174,003.84-83,086.88

Finding the Fourth Proportional to 126,112.16, 174,003.84 and 83,086.88

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Solution

The fourth proportional to 126,112.16, 174,003.84 and 83,086.88 is: 114,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,112.16 : 174,003.84 = 83,086.88 : x
  2. Step 2: Convert to fraction form
    126,112.16/174,003.84 = 83,086.88/x
  3. Step 3: Cross multiply
    126,112.16x = 174,003.84 × 83,086.88
  4. Step 4: Simplify right side
    126,112.16x = 14,457,436,173.62
  5. Step 5: Solve for x
    x = 14,457,436,173.62/126,112.16
  6. Step 6: Final answer
    x = 114,639.51

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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.