Home / 147,249.18-203,206.23-80,181.18

Finding the Fourth Proportional to 147,249.18, 203,206.23 and 80,181.18

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Solution

The fourth proportional to 147,249.18, 203,206.23 and 80,181.18 is: 110,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,249.18 : 203,206.23 = 80,181.18 : x
  2. Step 2: Convert to fraction form
    147,249.18/203,206.23 = 80,181.18/x
  3. Step 3: Cross multiply
    147,249.18x = 203,206.23 × 80,181.18
  4. Step 4: Simplify right side
    147,249.18x = 16,293,315,304.75
  5. Step 5: Solve for x
    x = 16,293,315,304.75/147,249.18
  6. Step 6: Final answer
    x = 110,651.31

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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.