Home / 136,306.56-204,467.04-42,819.60

Finding the Fourth Proportional to 136,306.56, 204,467.04 and 42,819.60

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Solution

The fourth proportional to 136,306.56, 204,467.04 and 42,819.60 is: 64,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,306.56 : 204,467.04 = 42,819.60 : x
  2. Step 2: Convert to fraction form
    136,306.56/204,467.04 = 42,819.60/x
  3. Step 3: Cross multiply
    136,306.56x = 204,467.04 × 42,819.60
  4. Step 4: Simplify right side
    136,306.56x = 8,755,196,865.98
  5. Step 5: Solve for x
    x = 8,755,196,865.98/136,306.56
  6. Step 6: Final answer
    x = 64,231.66

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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.