Home / 126,983.70-190,475.55-63,998.10

Finding the Fourth Proportional to 126,983.70, 190,475.55 and 63,998.10

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Solution

The fourth proportional to 126,983.70, 190,475.55 and 63,998.10 is: 95,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,983.70 : 190,475.55 = 63,998.10 : x
  2. Step 2: Convert to fraction form
    126,983.70/190,475.55 = 63,998.10/x
  3. Step 3: Cross multiply
    126,983.70x = 190,475.55 × 63,998.10
  4. Step 4: Simplify right side
    126,983.70x = 12,190,073,296.46
  5. Step 5: Solve for x
    x = 12,190,073,296.46/126,983.70
  6. Step 6: Final answer
    x = 95,997.15

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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.