Home / 171,091.20-256,345.20-146,013.60

Finding the Fourth Proportional to 171,091.20, 256,345.20 and 146,013.60

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Solution

The fourth proportional to 171,091.20, 256,345.20 and 146,013.60 is: 218,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,091.20 : 256,345.20 = 146,013.60 : x
  2. Step 2: Convert to fraction form
    171,091.20/256,345.20 = 146,013.60/x
  3. Step 3: Cross multiply
    171,091.20x = 256,345.20 × 146,013.60
  4. Step 4: Simplify right side
    171,091.20x = 37,429,885,494.72
  5. Step 5: Solve for x
    x = 37,429,885,494.72/171,091.20
  6. Step 6: Final answer
    x = 218,771.54

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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.