Home / 205,234.60-307,560.30-142,832.20

Finding the Fourth Proportional to 205,234.60, 307,560.30 and 142,832.20

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Solution

The fourth proportional to 205,234.60, 307,560.30 and 142,832.20 is: 214,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,234.60 : 307,560.30 = 142,832.20 : x
  2. Step 2: Convert to fraction form
    205,234.60/307,560.30 = 142,832.20/x
  3. Step 3: Cross multiply
    205,234.60x = 307,560.30 × 142,832.20
  4. Step 4: Simplify right side
    205,234.60x = 43,929,514,281.66
  5. Step 5: Solve for x
    x = 43,929,514,281.66/205,234.60
  6. Step 6: Final answer
    x = 214,045.36

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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.