Home / 245,979.87-339,336.18-143,942.16

Finding the Fourth Proportional to 245,979.87, 339,336.18 and 143,942.16

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Solution

The fourth proportional to 245,979.87, 339,336.18 and 143,942.16 is: 198,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,979.87 : 339,336.18 = 143,942.16 : x
  2. Step 2: Convert to fraction form
    245,979.87/339,336.18 = 143,942.16/x
  3. Step 3: Cross multiply
    245,979.87x = 339,336.18 × 143,942.16
  4. Step 4: Simplify right side
    245,979.87x = 48,844,782,715.35
  5. Step 5: Solve for x
    x = 48,844,782,715.35/245,979.87
  6. Step 6: Final answer
    x = 198,572.28

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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.