Home / 147,984.41-204,218.20-80,001.38

Finding the Fourth Proportional to 147,984.41, 204,218.20 and 80,001.38

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Solution

The fourth proportional to 147,984.41, 204,218.20 and 80,001.38 is: 110,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,984.41 : 204,218.20 = 80,001.38 : x
  2. Step 2: Convert to fraction form
    147,984.41/204,218.20 = 80,001.38/x
  3. Step 3: Cross multiply
    147,984.41x = 204,218.20 × 80,001.38
  4. Step 4: Simplify right side
    147,984.41x = 16,337,737,821.12
  5. Step 5: Solve for x
    x = 16,337,737,821.12/147,984.41
  6. Step 6: Final answer
    x = 110,401.75

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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.