Home / 151,932.52-209,648.82-91,502.20

Finding the Fourth Proportional to 151,932.52, 209,648.82 and 91,502.20

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Solution

The fourth proportional to 151,932.52, 209,648.82 and 91,502.20 is: 126,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,932.52 : 209,648.82 = 91,502.20 : x
  2. Step 2: Convert to fraction form
    151,932.52/209,648.82 = 91,502.20/x
  3. Step 3: Cross multiply
    151,932.52x = 209,648.82 × 91,502.20
  4. Step 4: Simplify right side
    151,932.52x = 19,183,328,257.40
  5. Step 5: Solve for x
    x = 19,183,328,257.40/151,932.52
  6. Step 6: Final answer
    x = 126,262.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.