Home / 97,353.12-145,976.13-43,982.40

Finding the Fourth Proportional to 97,353.12, 145,976.13 and 43,982.40

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Solution

The fourth proportional to 97,353.12, 145,976.13 and 43,982.40 is: 65,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,353.12 : 145,976.13 = 43,982.40 : x
  2. Step 2: Convert to fraction form
    97,353.12/145,976.13 = 43,982.40/x
  3. Step 3: Cross multiply
    97,353.12x = 145,976.13 × 43,982.40
  4. Step 4: Simplify right side
    97,353.12x = 6,420,380,540.11
  5. Step 5: Solve for x
    x = 6,420,380,540.11/97,353.12
  6. Step 6: Final answer
    x = 65,949.41

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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.