Home / 126,945.45-175,203.37-73,219.97

Finding the Fourth Proportional to 126,945.45, 175,203.37 and 73,219.97

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Solution

The fourth proportional to 126,945.45, 175,203.37 and 73,219.97 is: 101,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,945.45 : 175,203.37 = 73,219.97 : x
  2. Step 2: Convert to fraction form
    126,945.45/175,203.37 = 73,219.97/x
  3. Step 3: Cross multiply
    126,945.45x = 175,203.37 × 73,219.97
  4. Step 4: Simplify right side
    126,945.45x = 12,828,386,024.83
  5. Step 5: Solve for x
    x = 12,828,386,024.83/126,945.45
  6. Step 6: Final answer
    x = 101,054.32

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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.