Home / 146,958.60-220,429.98-86,202.66

Finding the Fourth Proportional to 146,958.60, 220,429.98 and 86,202.66

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Solution

The fourth proportional to 146,958.60, 220,429.98 and 86,202.66 is: 129,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,958.60 : 220,429.98 = 86,202.66 : x
  2. Step 2: Convert to fraction form
    146,958.60/220,429.98 = 86,202.66/x
  3. Step 3: Cross multiply
    146,958.60x = 220,429.98 × 86,202.66
  4. Step 4: Simplify right side
    146,958.60x = 19,001,650,619.75
  5. Step 5: Solve for x
    x = 19,001,650,619.75/146,958.60
  6. Step 6: Final answer
    x = 129,299.34

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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.