Home / 97,942.70-146,969.40-41,777.47

Finding the Fourth Proportional to 97,942.70, 146,969.40 and 41,777.47

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Solution

The fourth proportional to 97,942.70, 146,969.40 and 41,777.47 is: 62,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,942.70 : 146,969.40 = 41,777.47 : x
  2. Step 2: Convert to fraction form
    97,942.70/146,969.40 = 41,777.47/x
  3. Step 3: Cross multiply
    97,942.70x = 146,969.40 × 41,777.47
  4. Step 4: Simplify right side
    97,942.70x = 6,140,010,039.80
  5. Step 5: Solve for x
    x = 6,140,010,039.80/97,942.70
  6. Step 6: Final answer
    x = 62,689.82

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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.