Home / 126,041.37-173,930.22-78,293.85

Finding the Fourth Proportional to 126,041.37, 173,930.22 and 78,293.85

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Solution

The fourth proportional to 126,041.37, 173,930.22 and 78,293.85 is: 108,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.37 : 173,930.22 = 78,293.85 : x
  2. Step 2: Convert to fraction form
    126,041.37/173,930.22 = 78,293.85/x
  3. Step 3: Cross multiply
    126,041.37x = 173,930.22 × 78,293.85
  4. Step 4: Simplify right side
    126,041.37x = 13,617,666,555.15
  5. Step 5: Solve for x
    x = 13,617,666,555.15/126,041.37
  6. Step 6: Final answer
    x = 108,041.25

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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.