Home / 143,236.67-213,803.60-132,680.75

Finding the Fourth Proportional to 143,236.67, 213,803.60 and 132,680.75

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Solution

The fourth proportional to 143,236.67, 213,803.60 and 132,680.75 is: 198,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,236.67 : 213,803.60 = 132,680.75 : x
  2. Step 2: Convert to fraction form
    143,236.67/213,803.60 = 132,680.75/x
  3. Step 3: Cross multiply
    143,236.67x = 213,803.60 × 132,680.75
  4. Step 4: Simplify right side
    143,236.67x = 28,367,622,000.70
  5. Step 5: Solve for x
    x = 28,367,622,000.70/143,236.67
  6. Step 6: Final answer
    x = 198,047.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.