Home / 97,086.90-145,630.14-30,532.86

Finding the Fourth Proportional to 97,086.90, 145,630.14 and 30,532.86

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Solution

The fourth proportional to 97,086.90, 145,630.14 and 30,532.86 is: 45,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,086.90 : 145,630.14 = 30,532.86 : x
  2. Step 2: Convert to fraction form
    97,086.90/145,630.14 = 30,532.86/x
  3. Step 3: Cross multiply
    97,086.90x = 145,630.14 × 30,532.86
  4. Step 4: Simplify right side
    97,086.90x = 4,446,504,676.40
  5. Step 5: Solve for x
    x = 4,446,504,676.40/97,086.90
  6. Step 6: Final answer
    x = 45,799.22

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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.