Home / 98,907-148,379.10-39,747.36

Finding the Fourth Proportional to 98,907, 148,379.10 and 39,747.36

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Solution

The fourth proportional to 98,907, 148,379.10 and 39,747.36 is: 59,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,907 : 148,379.10 = 39,747.36 : x
  2. Step 2: Convert to fraction form
    98,907/148,379.10 = 39,747.36/x
  3. Step 3: Cross multiply
    98,907x = 148,379.10 × 39,747.36
  4. Step 4: Simplify right side
    98,907x = 5,897,677,504.18
  5. Step 5: Solve for x
    x = 5,897,677,504.18/98,907
  6. Step 6: Final answer
    x = 59,628.51

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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.