Home / 126,003.30-189,011.73-51,112.26

Finding the Fourth Proportional to 126,003.30, 189,011.73 and 51,112.26

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Solution

The fourth proportional to 126,003.30, 189,011.73 and 51,112.26 is: 76,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,003.30 : 189,011.73 = 51,112.26 : x
  2. Step 2: Convert to fraction form
    126,003.30/189,011.73 = 51,112.26/x
  3. Step 3: Cross multiply
    126,003.30x = 189,011.73 × 51,112.26
  4. Step 4: Simplify right side
    126,003.30x = 9,660,816,686.81
  5. Step 5: Solve for x
    x = 9,660,816,686.81/126,003.30
  6. Step 6: Final answer
    x = 76,671.14

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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.