Home / 213,041.07-319,463.19-79,826.04

Finding the Fourth Proportional to 213,041.07, 319,463.19 and 79,826.04

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Solution

The fourth proportional to 213,041.07, 319,463.19 and 79,826.04 is: 119,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,041.07 : 319,463.19 = 79,826.04 : x
  2. Step 2: Convert to fraction form
    213,041.07/319,463.19 = 79,826.04/x
  3. Step 3: Cross multiply
    213,041.07x = 319,463.19 × 79,826.04
  4. Step 4: Simplify right side
    213,041.07x = 25,501,481,383.47
  5. Step 5: Solve for x
    x = 25,501,481,383.47/213,041.07
  6. Step 6: Final answer
    x = 119,702.18

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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.