Home / 345,991.32-519,063.17-106,138.26

Finding the Fourth Proportional to 345,991.32, 519,063.17 and 106,138.26

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Solution

The fourth proportional to 345,991.32, 519,063.17 and 106,138.26 is: 159,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,991.32 : 519,063.17 = 106,138.26 : x
  2. Step 2: Convert to fraction form
    345,991.32/519,063.17 = 106,138.26/x
  3. Step 3: Cross multiply
    345,991.32x = 519,063.17 × 106,138.26
  4. Step 4: Simplify right side
    345,991.32x = 55,092,461,163.19
  5. Step 5: Solve for x
    x = 55,092,461,163.19/345,991.32
  6. Step 6: Final answer
    x = 159,230.76

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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.