Home / 98,845.38-148,286.70-39,685.68

Finding the Fourth Proportional to 98,845.38, 148,286.70 and 39,685.68

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Solution

The fourth proportional to 98,845.38, 148,286.70 and 39,685.68 is: 59,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.38 : 148,286.70 = 39,685.68 : x
  2. Step 2: Convert to fraction form
    98,845.38/148,286.70 = 39,685.68/x
  3. Step 3: Cross multiply
    98,845.38x = 148,286.70 × 39,685.68
  4. Step 4: Simplify right side
    98,845.38x = 5,884,858,524.46
  5. Step 5: Solve for x
    x = 5,884,858,524.46/98,845.38
  6. Step 6: Final answer
    x = 59,536.00

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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.