Home / 124,211.40-186,290.97-39,979.09

Finding the Fourth Proportional to 124,211.40, 186,290.97 and 39,979.09

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Solution

The fourth proportional to 124,211.40, 186,290.97 and 39,979.09 is: 59,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211.40 : 186,290.97 = 39,979.09 : x
  2. Step 2: Convert to fraction form
    124,211.40/186,290.97 = 39,979.09/x
  3. Step 3: Cross multiply
    124,211.40x = 186,290.97 × 39,979.09
  4. Step 4: Simplify right side
    124,211.40x = 7,447,743,455.82
  5. Step 5: Solve for x
    x = 7,447,743,455.82/124,211.40
  6. Step 6: Final answer
    x = 59,960.22

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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.