Home / 97,489.22-146,215.38-47,519.12

Finding the Fourth Proportional to 97,489.22, 146,215.38 and 47,519.12

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Solution

The fourth proportional to 97,489.22, 146,215.38 and 47,519.12 is: 71,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,489.22 : 146,215.38 = 47,519.12 : x
  2. Step 2: Convert to fraction form
    97,489.22/146,215.38 = 47,519.12/x
  3. Step 3: Cross multiply
    97,489.22x = 146,215.38 × 47,519.12
  4. Step 4: Simplify right side
    97,489.22x = 6,948,026,188.07
  5. Step 5: Solve for x
    x = 6,948,026,188.07/97,489.22
  6. Step 6: Final answer
    x = 71,269.69

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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.