Home / 126,262.30-174,260.85-80,991.34

Finding the Fourth Proportional to 126,262.30, 174,260.85 and 80,991.34

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Solution

The fourth proportional to 126,262.30, 174,260.85 and 80,991.34 is: 111,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,262.30 : 174,260.85 = 80,991.34 : x
  2. Step 2: Convert to fraction form
    126,262.30/174,260.85 = 80,991.34/x
  3. Step 3: Cross multiply
    126,262.30x = 174,260.85 × 80,991.34
  4. Step 4: Simplify right side
    126,262.30x = 14,113,619,751.04
  5. Step 5: Solve for x
    x = 14,113,619,751.04/126,262.30
  6. Step 6: Final answer
    x = 111,780.16

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1.5x scale

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.