Home / 131,446.40-197,126.40-48,329.60

Finding the Fourth Proportional to 131,446.40, 197,126.40 and 48,329.60

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Solution

The fourth proportional to 131,446.40, 197,126.40 and 48,329.60 is: 72,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446.40 : 197,126.40 = 48,329.60 : x
  2. Step 2: Convert to fraction form
    131,446.40/197,126.40 = 48,329.60/x
  3. Step 3: Cross multiply
    131,446.40x = 197,126.40 × 48,329.60
  4. Step 4: Simplify right side
    131,446.40x = 9,527,040,061.44
  5. Step 5: Solve for x
    x = 9,527,040,061.44/131,446.40
  6. Step 6: Final answer
    x = 72,478.52

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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.