Home / 126,183.96-174,133.53-72,472.46

Finding the Fourth Proportional to 126,183.96, 174,133.53 and 72,472.46

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Solution

The fourth proportional to 126,183.96, 174,133.53 and 72,472.46 is: 100,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,183.96 : 174,133.53 = 72,472.46 : x
  2. Step 2: Convert to fraction form
    126,183.96/174,133.53 = 72,472.46/x
  3. Step 3: Cross multiply
    126,183.96x = 174,133.53 × 72,472.46
  4. Step 4: Simplify right side
    126,183.96x = 12,619,884,416.92
  5. Step 5: Solve for x
    x = 12,619,884,416.92/126,183.96
  6. Step 6: Final answer
    x = 100,011.80

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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.