Home / 146,858.40-219,850.20-87,663.60

Finding the Fourth Proportional to 146,858.40, 219,850.20 and 87,663.60

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Solution

The fourth proportional to 146,858.40, 219,850.20 and 87,663.60 is: 131,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,858.40 : 219,850.20 = 87,663.60 : x
  2. Step 2: Convert to fraction form
    146,858.40/219,850.20 = 87,663.60/x
  3. Step 3: Cross multiply
    146,858.40x = 219,850.20 × 87,663.60
  4. Step 4: Simplify right side
    146,858.40x = 19,272,859,992.72
  5. Step 5: Solve for x
    x = 19,272,859,992.72/146,858.40
  6. Step 6: Final answer
    x = 131,234.30

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1.5x scale

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.