Home / 231,713.60-347,570.40-132,180.80

Finding the Fourth Proportional to 231,713.60, 347,570.40 and 132,180.80

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Solution

The fourth proportional to 231,713.60, 347,570.40 and 132,180.80 is: 198,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,713.60 : 347,570.40 = 132,180.80 : x
  2. Step 2: Convert to fraction form
    231,713.60/347,570.40 = 132,180.80/x
  3. Step 3: Cross multiply
    231,713.60x = 347,570.40 × 132,180.80
  4. Step 4: Simplify right side
    231,713.60x = 45,942,133,528.32
  5. Step 5: Solve for x
    x = 45,942,133,528.32/231,713.60
  6. Step 6: Final answer
    x = 198,271.20

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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.