Home / 146,619.81-219,947.81-51,830.44

Finding the Fourth Proportional to 146,619.81, 219,947.81 and 51,830.44

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Solution

The fourth proportional to 146,619.81, 219,947.81 and 51,830.44 is: 77,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,619.81 : 219,947.81 = 51,830.44 : x
  2. Step 2: Convert to fraction form
    146,619.81/219,947.81 = 51,830.44/x
  3. Step 3: Cross multiply
    146,619.81x = 219,947.81 × 51,830.44
  4. Step 4: Simplify right side
    146,619.81x = 11,399,990,960.31
  5. Step 5: Solve for x
    x = 11,399,990,960.31/146,619.81
  6. Step 6: Final answer
    x = 77,752.05

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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.