Home / 146,580.20-219,870.30-131,805.80

Finding the Fourth Proportional to 146,580.20, 219,870.30 and 131,805.80

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Solution

The fourth proportional to 146,580.20, 219,870.30 and 131,805.80 is: 197,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,580.20 : 219,870.30 = 131,805.80 : x
  2. Step 2: Convert to fraction form
    146,580.20/219,870.30 = 131,805.80/x
  3. Step 3: Cross multiply
    146,580.20x = 219,870.30 × 131,805.80
  4. Step 4: Simplify right side
    146,580.20x = 28,980,180,787.74
  5. Step 5: Solve for x
    x = 28,980,180,787.74/146,580.20
  6. Step 6: Final answer
    x = 197,708.70

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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.