Home / 259,140.11-387,832.39-159,363.59

Finding the Fourth Proportional to 259,140.11, 387,832.39 and 159,363.59

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Solution

The fourth proportional to 259,140.11, 387,832.39 and 159,363.59 is: 238,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,140.11 : 387,832.39 = 159,363.59 : x
  2. Step 2: Convert to fraction form
    259,140.11/387,832.39 = 159,363.59/x
  3. Step 3: Cross multiply
    259,140.11x = 387,832.39 × 159,363.59
  4. Step 4: Simplify right side
    259,140.11x = 61,806,359,651.11
  5. Step 5: Solve for x
    x = 61,806,359,651.11/259,140.11
  6. Step 6: Final answer
    x = 238,505.57

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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.