Home / 126,866.66-174,676.55-107,708.54

Finding the Fourth Proportional to 126,866.66, 174,676.55 and 107,708.54

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Solution

The fourth proportional to 126,866.66, 174,676.55 and 107,708.54 is: 148,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,866.66 : 174,676.55 = 107,708.54 : x
  2. Step 2: Convert to fraction form
    126,866.66/174,676.55 = 107,708.54/x
  3. Step 3: Cross multiply
    126,866.66x = 174,676.55 × 107,708.54
  4. Step 4: Simplify right side
    126,866.66x = 18,814,155,366.67
  5. Step 5: Solve for x
    x = 18,814,155,366.67/126,866.66
  6. Step 6: Final answer
    x = 148,298.66

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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.