Home / 138,450.24-207,672.37-38,607.77

Finding the Fourth Proportional to 138,450.24, 207,672.37 and 38,607.77

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Solution

The fourth proportional to 138,450.24, 207,672.37 and 38,607.77 is: 57,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,450.24 : 207,672.37 = 38,607.77 : x
  2. Step 2: Convert to fraction form
    138,450.24/207,672.37 = 38,607.77/x
  3. Step 3: Cross multiply
    138,450.24x = 207,672.37 × 38,607.77
  4. Step 4: Simplify right side
    138,450.24x = 8,017,766,903.28
  5. Step 5: Solve for x
    x = 8,017,766,903.28/138,450.24
  6. Step 6: Final answer
    x = 57,910.82

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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.