Home / 106,538.60-159,766.34-39,942.38

Finding the Fourth Proportional to 106,538.60, 159,766.34 and 39,942.38

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Solution

The fourth proportional to 106,538.60, 159,766.34 and 39,942.38 is: 59,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,538.60 : 159,766.34 = 39,942.38 : x
  2. Step 2: Convert to fraction form
    106,538.60/159,766.34 = 39,942.38/x
  3. Step 3: Cross multiply
    106,538.60x = 159,766.34 × 39,942.38
  4. Step 4: Simplify right side
    106,538.60x = 6,381,446,864.95
  5. Step 5: Solve for x
    x = 6,381,446,864.95/106,538.60
  6. Step 6: Final answer
    x = 59,897.98

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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.