Home / 245,474.79-368,212.23-67,981.83

Finding the Fourth Proportional to 245,474.79, 368,212.23 and 67,981.83

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Solution

The fourth proportional to 245,474.79, 368,212.23 and 67,981.83 is: 101,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,474.79 : 368,212.23 = 67,981.83 : x
  2. Step 2: Convert to fraction form
    245,474.79/368,212.23 = 67,981.83/x
  3. Step 3: Cross multiply
    245,474.79x = 368,212.23 × 67,981.83
  4. Step 4: Simplify right side
    245,474.79x = 25,031,741,223.78
  5. Step 5: Solve for x
    x = 25,031,741,223.78/245,474.79
  6. Step 6: Final answer
    x = 101,972.76

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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.