Home / 245,738.75-339,026.85-143,731.67

Finding the Fourth Proportional to 245,738.75, 339,026.85 and 143,731.67

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Solution

The fourth proportional to 245,738.75, 339,026.85 and 143,731.67 is: 198,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,738.75 : 339,026.85 = 143,731.67 : x
  2. Step 2: Convert to fraction form
    245,738.75/339,026.85 = 143,731.67/x
  3. Step 3: Cross multiply
    245,738.75x = 339,026.85 × 143,731.67
  4. Step 4: Simplify right side
    245,738.75x = 48,728,893,630.21
  5. Step 5: Solve for x
    x = 48,728,893,630.21/245,738.75
  6. Step 6: Final answer
    x = 198,295.53

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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.