Home / 245,977.18-339,472.64-143,996.44

Finding the Fourth Proportional to 245,977.18, 339,472.64 and 143,996.44

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Solution

The fourth proportional to 245,977.18, 339,472.64 and 143,996.44 is: 198,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,977.18 : 339,472.64 = 143,996.44 : x
  2. Step 2: Convert to fraction form
    245,977.18/339,472.64 = 143,996.44/x
  3. Step 3: Cross multiply
    245,977.18x = 339,472.64 × 143,996.44
  4. Step 4: Simplify right side
    245,977.18x = 48,882,851,637.40
  5. Step 5: Solve for x
    x = 48,882,851,637.40/245,977.18
  6. Step 6: Final answer
    x = 198,729.21

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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.