Home / 98,119.78-147,194.07-31,537.96

Finding the Fourth Proportional to 98,119.78, 147,194.07 and 31,537.96

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Solution

The fourth proportional to 98,119.78, 147,194.07 and 31,537.96 is: 47,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,119.78 : 147,194.07 = 31,537.96 : x
  2. Step 2: Convert to fraction form
    98,119.78/147,194.07 = 31,537.96/x
  3. Step 3: Cross multiply
    98,119.78x = 147,194.07 × 31,537.96
  4. Step 4: Simplify right side
    98,119.78x = 4,642,200,691.90
  5. Step 5: Solve for x
    x = 4,642,200,691.90/98,119.78
  6. Step 6: Final answer
    x = 47,311.57

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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.