Home / 147,983.41-204,216.82-80,000.38

Finding the Fourth Proportional to 147,983.41, 204,216.82 and 80,000.38

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Solution

The fourth proportional to 147,983.41, 204,216.82 and 80,000.38 is: 110,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,983.41 : 204,216.82 = 80,000.38 : x
  2. Step 2: Convert to fraction form
    147,983.41/204,216.82 = 80,000.38/x
  3. Step 3: Cross multiply
    147,983.41x = 204,216.82 × 80,000.38
  4. Step 4: Simplify right side
    147,983.41x = 16,337,423,202.39
  5. Step 5: Solve for x
    x = 16,337,423,202.39/147,983.41
  6. Step 6: Final answer
    x = 110,400.37

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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.