Home / 195,428.87-269,669.18-109,392.67

Finding the Fourth Proportional to 195,428.87, 269,669.18 and 109,392.67

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Solution

The fourth proportional to 195,428.87, 269,669.18 and 109,392.67 is: 150,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,428.87 : 269,669.18 = 109,392.67 : x
  2. Step 2: Convert to fraction form
    195,428.87/269,669.18 = 109,392.67/x
  3. Step 3: Cross multiply
    195,428.87x = 269,669.18 × 109,392.67
  4. Step 4: Simplify right side
    195,428.87x = 29,499,831,616.91
  5. Step 5: Solve for x
    x = 29,499,831,616.91/195,428.87
  6. Step 6: Final answer
    x = 150,949.20

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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.