Home / 219,739.61-329,618.98-107,514.31

Finding the Fourth Proportional to 219,739.61, 329,618.98 and 107,514.31

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Solution

The fourth proportional to 219,739.61, 329,618.98 and 107,514.31 is: 161,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,739.61 : 329,618.98 = 107,514.31 : x
  2. Step 2: Convert to fraction form
    219,739.61/329,618.98 = 107,514.31/x
  3. Step 3: Cross multiply
    219,739.61x = 329,618.98 × 107,514.31
  4. Step 4: Simplify right side
    219,739.61x = 35,438,756,507.95
  5. Step 5: Solve for x
    x = 35,438,756,507.95/219,739.61
  6. Step 6: Final answer
    x = 161,276.15

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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.