Home / 253,870.20-380,951.10-96,211.80

Finding the Fourth Proportional to 253,870.20, 380,951.10 and 96,211.80

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Solution

The fourth proportional to 253,870.20, 380,951.10 and 96,211.80 is: 144,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,870.20 : 380,951.10 = 96,211.80 : x
  2. Step 2: Convert to fraction form
    253,870.20/380,951.10 = 96,211.80/x
  3. Step 3: Cross multiply
    253,870.20x = 380,951.10 × 96,211.80
  4. Step 4: Simplify right side
    253,870.20x = 36,651,991,042.98
  5. Step 5: Solve for x
    x = 36,651,991,042.98/253,870.20
  6. Step 6: Final answer
    x = 144,372.96

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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.