Home / 138,450.48-207,672.74-38,608.02

Finding the Fourth Proportional to 138,450.48, 207,672.74 and 38,608.02

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Solution

The fourth proportional to 138,450.48, 207,672.74 and 38,608.02 is: 57,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,450.48 : 207,672.74 = 38,608.02 : x
  2. Step 2: Convert to fraction form
    138,450.48/207,672.74 = 38,608.02/x
  3. Step 3: Cross multiply
    138,450.48x = 207,672.74 × 38,608.02
  4. Step 4: Simplify right side
    138,450.48x = 8,017,833,299.37
  5. Step 5: Solve for x
    x = 8,017,833,299.37/138,450.48
  6. Step 6: Final answer
    x = 57,911.20

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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.