Home / 125,579.67-173,301.83-68,220.12

Finding the Fourth Proportional to 125,579.67, 173,301.83 and 68,220.12

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Solution

The fourth proportional to 125,579.67, 173,301.83 and 68,220.12 is: 94,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,579.67 : 173,301.83 = 68,220.12 : x
  2. Step 2: Convert to fraction form
    125,579.67/173,301.83 = 68,220.12/x
  3. Step 3: Cross multiply
    125,579.67x = 173,301.83 × 68,220.12
  4. Step 4: Simplify right side
    125,579.67x = 11,822,672,203.43
  5. Step 5: Solve for x
    x = 11,822,672,203.43/125,579.67
  6. Step 6: Final answer
    x = 94,144.80

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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.