Home / 213,694.48-320,431.20-124,973.92

Finding the Fourth Proportional to 213,694.48, 320,431.20 and 124,973.92

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Solution

The fourth proportional to 213,694.48, 320,431.20 and 124,973.92 is: 187,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,694.48 : 320,431.20 = 124,973.92 : x
  2. Step 2: Convert to fraction form
    213,694.48/320,431.20 = 124,973.92/x
  3. Step 3: Cross multiply
    213,694.48x = 320,431.20 × 124,973.92
  4. Step 4: Simplify right side
    213,694.48x = 40,045,543,154.30
  5. Step 5: Solve for x
    x = 40,045,543,154.30/213,694.48
  6. Step 6: Final answer
    x = 187,396.25

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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.