Home / 170,669.76-256,226.40-131,254.80

Finding the Fourth Proportional to 170,669.76, 256,226.40 and 131,254.80

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Solution

The fourth proportional to 170,669.76, 256,226.40 and 131,254.80 is: 197,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,669.76 : 256,226.40 = 131,254.80 : x
  2. Step 2: Convert to fraction form
    170,669.76/256,226.40 = 131,254.80/x
  3. Step 3: Cross multiply
    170,669.76x = 256,226.40 × 131,254.80
  4. Step 4: Simplify right side
    170,669.76x = 33,630,944,886.72
  5. Step 5: Solve for x
    x = 33,630,944,886.72/170,669.76
  6. Step 6: Final answer
    x = 197,052.75

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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.