Home / 126,816.78-175,012.43-70,228.20

Finding the Fourth Proportional to 126,816.78, 175,012.43 and 70,228.20

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Solution

The fourth proportional to 126,816.78, 175,012.43 and 70,228.20 is: 96,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,816.78 : 175,012.43 = 70,228.20 : x
  2. Step 2: Convert to fraction form
    126,816.78/175,012.43 = 70,228.20/x
  3. Step 3: Cross multiply
    126,816.78x = 175,012.43 × 70,228.20
  4. Step 4: Simplify right side
    126,816.78x = 12,290,807,585.39
  5. Step 5: Solve for x
    x = 12,290,807,585.39/126,816.78
  6. Step 6: Final answer
    x = 96,917.83

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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.