Home / 171,821.28-257,738.40-53,502.96

Finding the Fourth Proportional to 171,821.28, 257,738.40 and 53,502.96

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Solution

The fourth proportional to 171,821.28, 257,738.40 and 53,502.96 is: 80,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,821.28 : 257,738.40 = 53,502.96 : x
  2. Step 2: Convert to fraction form
    171,821.28/257,738.40 = 53,502.96/x
  3. Step 3: Cross multiply
    171,821.28x = 257,738.40 × 53,502.96
  4. Step 4: Simplify right side
    171,821.28x = 13,789,767,305.66
  5. Step 5: Solve for x
    x = 13,789,767,305.66/171,821.28
  6. Step 6: Final answer
    x = 80,256.46

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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.