Home / 245,757.50-339,087.03-138,306.14

Finding the Fourth Proportional to 245,757.50, 339,087.03 and 138,306.14

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Solution

The fourth proportional to 245,757.50, 339,087.03 and 138,306.14 is: 190,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,757.50 : 339,087.03 = 138,306.14 : x
  2. Step 2: Convert to fraction form
    245,757.50/339,087.03 = 138,306.14/x
  3. Step 3: Cross multiply
    245,757.50x = 339,087.03 × 138,306.14
  4. Step 4: Simplify right side
    245,757.50x = 46,897,818,243.36
  5. Step 5: Solve for x
    x = 46,897,818,243.36/245,757.50
  6. Step 6: Final answer
    x = 190,829.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.