Home / 134,742.70-202,114.05-45,982.90

Finding the Fourth Proportional to 134,742.70, 202,114.05 and 45,982.90

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Solution

The fourth proportional to 134,742.70, 202,114.05 and 45,982.90 is: 68,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,742.70 : 202,114.05 = 45,982.90 : x
  2. Step 2: Convert to fraction form
    134,742.70/202,114.05 = 45,982.90/x
  3. Step 3: Cross multiply
    134,742.70x = 202,114.05 × 45,982.90
  4. Step 4: Simplify right side
    134,742.70x = 9,293,790,149.75
  5. Step 5: Solve for x
    x = 9,293,790,149.75/134,742.70
  6. Step 6: Final answer
    x = 68,974.35

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Similar ratio
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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.