Home / 126,825.20-175,015.80-70,238.96

Finding the Fourth Proportional to 126,825.20, 175,015.80 and 70,238.96

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Solution

The fourth proportional to 126,825.20, 175,015.80 and 70,238.96 is: 96,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,825.20 : 175,015.80 = 70,238.96 : x
  2. Step 2: Convert to fraction form
    126,825.20/175,015.80 = 70,238.96/x
  3. Step 3: Cross multiply
    126,825.20x = 175,015.80 × 70,238.96
  4. Step 4: Simplify right side
    126,825.20x = 12,292,927,775.57
  5. Step 5: Solve for x
    x = 12,292,927,775.57/126,825.20
  6. Step 6: Final answer
    x = 96,928.12

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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.