Home / 125,529.29-173,231.78-68,940.67

Finding the Fourth Proportional to 125,529.29, 173,231.78 and 68,940.67

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Solution

The fourth proportional to 125,529.29, 173,231.78 and 68,940.67 is: 95,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,529.29 : 173,231.78 = 68,940.67 : x
  2. Step 2: Convert to fraction form
    125,529.29/173,231.78 = 68,940.67/x
  3. Step 3: Cross multiply
    125,529.29x = 173,231.78 × 68,940.67
  4. Step 4: Simplify right side
    125,529.29x = 11,942,714,200.71
  5. Step 5: Solve for x
    x = 11,942,714,200.71/125,529.29
  6. Step 6: Final answer
    x = 95,138.86

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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.