Home / 126,724.35-174,860.06-72,998.85

Finding the Fourth Proportional to 126,724.35, 174,860.06 and 72,998.85

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Solution

The fourth proportional to 126,724.35, 174,860.06 and 72,998.85 is: 100,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,724.35 : 174,860.06 = 72,998.85 : x
  2. Step 2: Convert to fraction form
    126,724.35/174,860.06 = 72,998.85/x
  3. Step 3: Cross multiply
    126,724.35x = 174,860.06 × 72,998.85
  4. Step 4: Simplify right side
    126,724.35x = 12,764,582,925.94
  5. Step 5: Solve for x
    x = 12,764,582,925.94/126,724.35
  6. Step 6: Final answer
    x = 100,727.15

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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.