Home / 146,977.12-220,494.84-53,490.16

Finding the Fourth Proportional to 146,977.12, 220,494.84 and 53,490.16

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Solution

The fourth proportional to 146,977.12, 220,494.84 and 53,490.16 is: 80,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,977.12 : 220,494.84 = 53,490.16 : x
  2. Step 2: Convert to fraction form
    146,977.12/220,494.84 = 53,490.16/x
  3. Step 3: Cross multiply
    146,977.12x = 220,494.84 × 53,490.16
  4. Step 4: Simplify right side
    146,977.12x = 11,794,304,270.77
  5. Step 5: Solve for x
    x = 11,794,304,270.77/146,977.12
  6. Step 6: Final answer
    x = 80,245.85

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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.