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Finding the Fourth Proportional to 146,130.20, 219,217.20 and 61,890.20

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Solution

The fourth proportional to 146,130.20, 219,217.20 and 61,890.20 is: 92,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,130.20 : 219,217.20 = 61,890.20 : x
  2. Step 2: Convert to fraction form
    146,130.20/219,217.20 = 61,890.20/x
  3. Step 3: Cross multiply
    146,130.20x = 219,217.20 × 61,890.20
  4. Step 4: Simplify right side
    146,130.20x = 13,567,396,351.44
  5. Step 5: Solve for x
    x = 13,567,396,351.44/146,130.20
  6. Step 6: Final answer
    x = 92,844.58

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1.5x scale

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.