Home / 245,949.87-339,411.50-142,604.13

Finding the Fourth Proportional to 245,949.87, 339,411.50 and 142,604.13

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Solution

The fourth proportional to 245,949.87, 339,411.50 and 142,604.13 is: 196,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,949.87 : 339,411.50 = 142,604.13 : x
  2. Step 2: Convert to fraction form
    245,949.87/339,411.50 = 142,604.13/x
  3. Step 3: Cross multiply
    245,949.87x = 339,411.50 × 142,604.13
  4. Step 4: Simplify right side
    245,949.87x = 48,401,480,956.47
  5. Step 5: Solve for x
    x = 48,401,480,956.47/245,949.87
  6. Step 6: Final answer
    x = 196,794.09

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1.5x scale

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.