Home / 213,010.80-319,127.40-173,353.20

Finding the Fourth Proportional to 213,010.80, 319,127.40 and 173,353.20

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Solution

The fourth proportional to 213,010.80, 319,127.40 and 173,353.20 is: 259,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,010.80 : 319,127.40 = 173,353.20 : x
  2. Step 2: Convert to fraction form
    213,010.80/319,127.40 = 173,353.20/x
  3. Step 3: Cross multiply
    213,010.80x = 319,127.40 × 173,353.20
  4. Step 4: Simplify right side
    213,010.80x = 55,321,755,997.68
  5. Step 5: Solve for x
    x = 55,321,755,997.68/213,010.80
  6. Step 6: Final answer
    x = 259,713.39

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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.