Home / 234,734.09-323,950.43-131,378.62

Finding the Fourth Proportional to 234,734.09, 323,950.43 and 131,378.62

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Solution

The fourth proportional to 234,734.09, 323,950.43 and 131,378.62 is: 181,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,734.09 : 323,950.43 = 131,378.62 : x
  2. Step 2: Convert to fraction form
    234,734.09/323,950.43 = 131,378.62/x
  3. Step 3: Cross multiply
    234,734.09x = 323,950.43 × 131,378.62
  4. Step 4: Simplify right side
    234,734.09x = 42,560,160,444.62
  5. Step 5: Solve for x
    x = 42,560,160,444.62/234,734.09
  6. Step 6: Final answer
    x = 181,312.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.