Home / 123,352.09-185,034.68-39,118.89

Finding the Fourth Proportional to 123,352.09, 185,034.68 and 39,118.89

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Solution

The fourth proportional to 123,352.09, 185,034.68 and 39,118.89 is: 58,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,352.09 : 185,034.68 = 39,118.89 : x
  2. Step 2: Convert to fraction form
    123,352.09/185,034.68 = 39,118.89/x
  3. Step 3: Cross multiply
    123,352.09x = 185,034.68 × 39,118.89
  4. Step 4: Simplify right side
    123,352.09x = 7,238,351,938.09
  5. Step 5: Solve for x
    x = 7,238,351,938.09/123,352.09
  6. Step 6: Final answer
    x = 58,680.42

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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.