Home / 135,219.10-202,439.85-131,331.10

Finding the Fourth Proportional to 135,219.10, 202,439.85 and 131,331.10

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Solution

The fourth proportional to 135,219.10, 202,439.85 and 131,331.10 is: 196,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,219.10 : 202,439.85 = 131,331.10 : x
  2. Step 2: Convert to fraction form
    135,219.10/202,439.85 = 131,331.10/x
  3. Step 3: Cross multiply
    135,219.10x = 202,439.85 × 131,331.10
  4. Step 4: Simplify right side
    135,219.10x = 26,586,648,184.34
  5. Step 5: Solve for x
    x = 26,586,648,184.34/135,219.10
  6. Step 6: Final answer
    x = 196,619.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.