Home / 131,246.40-196,869.60-52,372.80

Finding the Fourth Proportional to 131,246.40, 196,869.60 and 52,372.80

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Solution

The fourth proportional to 131,246.40, 196,869.60 and 52,372.80 is: 78,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,246.40 : 196,869.60 = 52,372.80 : x
  2. Step 2: Convert to fraction form
    131,246.40/196,869.60 = 52,372.80/x
  3. Step 3: Cross multiply
    131,246.40x = 196,869.60 × 52,372.80
  4. Step 4: Simplify right side
    131,246.40x = 10,310,612,186.88
  5. Step 5: Solve for x
    x = 10,310,612,186.88/131,246.40
  6. Step 6: Final answer
    x = 78,559.20

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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.