Home / 146,653.25-220,003.70-45,427.66

Finding the Fourth Proportional to 146,653.25, 220,003.70 and 45,427.66

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Solution

The fourth proportional to 146,653.25, 220,003.70 and 45,427.66 is: 68,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,653.25 : 220,003.70 = 45,427.66 : x
  2. Step 2: Convert to fraction form
    146,653.25/220,003.70 = 45,427.66/x
  3. Step 3: Cross multiply
    146,653.25x = 220,003.70 × 45,427.66
  4. Step 4: Simplify right side
    146,653.25x = 9,994,252,505.19
  5. Step 5: Solve for x
    x = 9,994,252,505.19/146,653.25
  6. Step 6: Final answer
    x = 68,148.87

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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.