Home / 171,579.60-257,542.20-82,904.40

Finding the Fourth Proportional to 171,579.60, 257,542.20 and 82,904.40

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Solution

The fourth proportional to 171,579.60, 257,542.20 and 82,904.40 is: 124,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,579.60 : 257,542.20 = 82,904.40 : x
  2. Step 2: Convert to fraction form
    171,579.60/257,542.20 = 82,904.40/x
  3. Step 3: Cross multiply
    171,579.60x = 257,542.20 × 82,904.40
  4. Step 4: Simplify right side
    171,579.60x = 21,351,381,565.68
  5. Step 5: Solve for x
    x = 21,351,381,565.68/171,579.60
  6. Step 6: Final answer
    x = 124,440.09

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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.