Home / 276,163.26-413,744.28-126,528.72

Finding the Fourth Proportional to 276,163.26, 413,744.28 and 126,528.72

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Solution

The fourth proportional to 276,163.26, 413,744.28 and 126,528.72 is: 189,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,163.26 : 413,744.28 = 126,528.72 : x
  2. Step 2: Convert to fraction form
    276,163.26/413,744.28 = 126,528.72/x
  3. Step 3: Cross multiply
    276,163.26x = 413,744.28 × 126,528.72
  4. Step 4: Simplify right side
    276,163.26x = 52,350,534,155.72
  5. Step 5: Solve for x
    x = 52,350,534,155.72/276,163.26
  6. Step 6: Final answer
    x = 189,563.72

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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.