Home / 126,889.77-175,096.24-73,164.40

Finding the Fourth Proportional to 126,889.77, 175,096.24 and 73,164.40

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Solution

The fourth proportional to 126,889.77, 175,096.24 and 73,164.40 is: 100,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,889.77 : 175,096.24 = 73,164.40 : x
  2. Step 2: Convert to fraction form
    126,889.77/175,096.24 = 73,164.40/x
  3. Step 3: Cross multiply
    126,889.77x = 175,096.24 × 73,164.40
  4. Step 4: Simplify right side
    126,889.77x = 12,810,811,974.33
  5. Step 5: Solve for x
    x = 12,810,811,974.33/126,889.77
  6. Step 6: Final answer
    x = 100,960.17

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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.