Home / 221,427.43-332,159.81-69,659.35

Finding the Fourth Proportional to 221,427.43, 332,159.81 and 69,659.35

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Solution

The fourth proportional to 221,427.43, 332,159.81 and 69,659.35 is: 104,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,427.43 : 332,159.81 = 69,659.35 : x
  2. Step 2: Convert to fraction form
    221,427.43/332,159.81 = 69,659.35/x
  3. Step 3: Cross multiply
    221,427.43x = 332,159.81 × 69,659.35
  4. Step 4: Simplify right side
    221,427.43x = 23,138,036,112.43
  5. Step 5: Solve for x
    x = 23,138,036,112.43/221,427.43
  6. Step 6: Final answer
    x = 104,494.90

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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.