Home / 126,976.37-175,226.43-69,615.01

Finding the Fourth Proportional to 126,976.37, 175,226.43 and 69,615.01

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Solution

The fourth proportional to 126,976.37, 175,226.43 and 69,615.01 is: 96,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,976.37 : 175,226.43 = 69,615.01 : x
  2. Step 2: Convert to fraction form
    126,976.37/175,226.43 = 69,615.01/x
  3. Step 3: Cross multiply
    126,976.37x = 175,226.43 × 69,615.01
  4. Step 4: Simplify right side
    126,976.37x = 12,198,389,238.65
  5. Step 5: Solve for x
    x = 12,198,389,238.65/126,976.37
  6. Step 6: Final answer
    x = 96,068.18

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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.