Home / 42,137.13-63,168.69-17,198.19

Finding the Fourth Proportional to 42,137.13, 63,168.69 and 17,198.19

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Solution

The fourth proportional to 42,137.13, 63,168.69 and 17,198.19 is: 25,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,137.13 : 63,168.69 = 17,198.19 : x
  2. Step 2: Convert to fraction form
    42,137.13/63,168.69 = 17,198.19/x
  3. Step 3: Cross multiply
    42,137.13x = 63,168.69 × 17,198.19
  4. Step 4: Simplify right side
    42,137.13x = 1,086,387,132.67
  5. Step 5: Solve for x
    x = 1,086,387,132.67/42,137.13
  6. Step 6: Final answer
    x = 25,782.18

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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.