Home / 138,147.48-206,999.73-124,861.50

Finding the Fourth Proportional to 138,147.48, 206,999.73 and 124,861.50

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Solution

The fourth proportional to 138,147.48, 206,999.73 and 124,861.50 is: 187,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,147.48 : 206,999.73 = 124,861.50 : x
  2. Step 2: Convert to fraction form
    138,147.48/206,999.73 = 124,861.50/x
  3. Step 3: Cross multiply
    138,147.48x = 206,999.73 × 124,861.50
  4. Step 4: Simplify right side
    138,147.48x = 25,846,296,787.40
  5. Step 5: Solve for x
    x = 25,846,296,787.40/138,147.48
  6. Step 6: Final answer
    x = 187,092.06

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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.