Home / 172,637.34-258,907.77-109,363.38

Finding the Fourth Proportional to 172,637.34, 258,907.77 and 109,363.38

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Solution

The fourth proportional to 172,637.34, 258,907.77 and 109,363.38 is: 164,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,637.34 : 258,907.77 = 109,363.38 : x
  2. Step 2: Convert to fraction form
    172,637.34/258,907.77 = 109,363.38/x
  3. Step 3: Cross multiply
    172,637.34x = 258,907.77 × 109,363.38
  4. Step 4: Simplify right side
    172,637.34x = 28,315,028,835.46
  5. Step 5: Solve for x
    x = 28,315,028,835.46/172,637.34
  6. Step 6: Final answer
    x = 164,014.51

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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.