Home / 276,769.80-415,033.20-126,960.30

Finding the Fourth Proportional to 276,769.80, 415,033.20 and 126,960.30

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Solution

The fourth proportional to 276,769.80, 415,033.20 and 126,960.30 is: 190,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,769.80 : 415,033.20 = 126,960.30 : x
  2. Step 2: Convert to fraction form
    276,769.80/415,033.20 = 126,960.30/x
  3. Step 3: Cross multiply
    276,769.80x = 415,033.20 × 126,960.30
  4. Step 4: Simplify right side
    276,769.80x = 52,692,739,581.96
  5. Step 5: Solve for x
    x = 52,692,739,581.96/276,769.80
  6. Step 6: Final answer
    x = 190,384.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.