Home / 125,738.29-173,515.38-69,149.67

Finding the Fourth Proportional to 125,738.29, 173,515.38 and 69,149.67

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Solution

The fourth proportional to 125,738.29, 173,515.38 and 69,149.67 is: 95,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,738.29 : 173,515.38 = 69,149.67 : x
  2. Step 2: Convert to fraction form
    125,738.29/173,515.38 = 69,149.67/x
  3. Step 3: Cross multiply
    125,738.29x = 173,515.38 × 69,149.67
  4. Step 4: Simplify right side
    125,738.29x = 11,998,530,356.93
  5. Step 5: Solve for x
    x = 11,998,530,356.93/125,738.29
  6. Step 6: Final answer
    x = 95,424.63

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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.