Home / 209,196.66-313,792.23-51,426.48

Finding the Fourth Proportional to 209,196.66, 313,792.23 and 51,426.48

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Solution

The fourth proportional to 209,196.66, 313,792.23 and 51,426.48 is: 77,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,196.66 : 313,792.23 = 51,426.48 : x
  2. Step 2: Convert to fraction form
    209,196.66/313,792.23 = 51,426.48/x
  3. Step 3: Cross multiply
    209,196.66x = 313,792.23 × 51,426.48
  4. Step 4: Simplify right side
    209,196.66x = 16,137,229,840.25
  5. Step 5: Solve for x
    x = 16,137,229,840.25/209,196.66
  6. Step 6: Final answer
    x = 77,139.04

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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.