Home / 234,578.42-351,813.66-139,835.35

Finding the Fourth Proportional to 234,578.42, 351,813.66 and 139,835.35

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Solution

The fourth proportional to 234,578.42, 351,813.66 and 139,835.35 is: 209,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,578.42 : 351,813.66 = 139,835.35 : x
  2. Step 2: Convert to fraction form
    234,578.42/351,813.66 = 139,835.35/x
  3. Step 3: Cross multiply
    234,578.42x = 351,813.66 × 139,835.35
  4. Step 4: Simplify right side
    234,578.42x = 49,195,986,280.88
  5. Step 5: Solve for x
    x = 49,195,986,280.88/234,578.42
  6. Step 6: Final answer
    x = 209,720.85

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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.