Home / 172,789.47-259,164.77-48,140.19

Finding the Fourth Proportional to 172,789.47, 259,164.77 and 48,140.19

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Solution

The fourth proportional to 172,789.47, 259,164.77 and 48,140.19 is: 72,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,789.47 : 259,164.77 = 48,140.19 : x
  2. Step 2: Convert to fraction form
    172,789.47/259,164.77 = 48,140.19/x
  3. Step 3: Cross multiply
    172,789.47x = 259,164.77 × 48,140.19
  4. Step 4: Simplify right side
    172,789.47x = 12,476,241,028.41
  5. Step 5: Solve for x
    x = 12,476,241,028.41/172,789.47
  6. Step 6: Final answer
    x = 72,204.87

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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.