Home / 217,331.20-299,924.84-126,672.56

Finding the Fourth Proportional to 217,331.20, 299,924.84 and 126,672.56

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Solution

The fourth proportional to 217,331.20, 299,924.84 and 126,672.56 is: 174,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,331.20 : 299,924.84 = 126,672.56 : x
  2. Step 2: Convert to fraction form
    217,331.20/299,924.84 = 126,672.56/x
  3. Step 3: Cross multiply
    217,331.20x = 299,924.84 × 126,672.56
  4. Step 4: Simplify right side
    217,331.20x = 37,992,247,232.17
  5. Step 5: Solve for x
    x = 37,992,247,232.17/217,331.20
  6. Step 6: Final answer
    x = 174,812.67

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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.