Home / 146,842.80-219,972.60-87,502.20

Finding the Fourth Proportional to 146,842.80, 219,972.60 and 87,502.20

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Solution

The fourth proportional to 146,842.80, 219,972.60 and 87,502.20 is: 131,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,842.80 : 219,972.60 = 87,502.20 : x
  2. Step 2: Convert to fraction form
    146,842.80/219,972.60 = 87,502.20/x
  3. Step 3: Cross multiply
    146,842.80x = 219,972.60 × 87,502.20
  4. Step 4: Simplify right side
    146,842.80x = 19,248,086,439.72
  5. Step 5: Solve for x
    x = 19,248,086,439.72/146,842.80
  6. Step 6: Final answer
    x = 131,079.54

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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.