Home / 279,617.18-419,606.13-102,109.34

Finding the Fourth Proportional to 279,617.18, 419,606.13 and 102,109.34

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Solution

The fourth proportional to 279,617.18, 419,606.13 and 102,109.34 is: 153,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,617.18 : 419,606.13 = 102,109.34 : x
  2. Step 2: Convert to fraction form
    279,617.18/419,606.13 = 102,109.34/x
  3. Step 3: Cross multiply
    279,617.18x = 419,606.13 × 102,109.34
  4. Step 4: Simplify right side
    279,617.18x = 42,845,704,994.25
  5. Step 5: Solve for x
    x = 42,845,704,994.25/279,617.18
  6. Step 6: Final answer
    x = 153,229.87

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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.