Home / 126,027.38-173,921.73-72,322.22

Finding the Fourth Proportional to 126,027.38, 173,921.73 and 72,322.22

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Solution

The fourth proportional to 126,027.38, 173,921.73 and 72,322.22 is: 99,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.38 : 173,921.73 = 72,322.22 : x
  2. Step 2: Convert to fraction form
    126,027.38/173,921.73 = 72,322.22/x
  3. Step 3: Cross multiply
    126,027.38x = 173,921.73 × 72,322.22
  4. Step 4: Simplify right side
    126,027.38x = 12,578,405,783.44
  5. Step 5: Solve for x
    x = 12,578,405,783.44/126,027.38
  6. Step 6: Final answer
    x = 99,806.93

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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.