Home / 126,734.52-174,912.06-73,009.08

Finding the Fourth Proportional to 126,734.52, 174,912.06 and 73,009.08

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Solution

The fourth proportional to 126,734.52, 174,912.06 and 73,009.08 is: 100,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734.52 : 174,912.06 = 73,009.08 : x
  2. Step 2: Convert to fraction form
    126,734.52/174,912.06 = 73,009.08/x
  3. Step 3: Cross multiply
    126,734.52x = 174,912.06 × 73,009.08
  4. Step 4: Simplify right side
    126,734.52x = 12,770,168,581.50
  5. Step 5: Solve for x
    x = 12,770,168,581.50/126,734.52
  6. Step 6: Final answer
    x = 100,763.14

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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.