Home / 97,165.92-145,771.20-50,408.40

Finding the Fourth Proportional to 97,165.92, 145,771.20 and 50,408.40

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Solution

The fourth proportional to 97,165.92, 145,771.20 and 50,408.40 is: 75,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,165.92 : 145,771.20 = 50,408.40 : x
  2. Step 2: Convert to fraction form
    97,165.92/145,771.20 = 50,408.40/x
  3. Step 3: Cross multiply
    97,165.92x = 145,771.20 × 50,408.40
  4. Step 4: Simplify right side
    97,165.92x = 7,348,092,958.08
  5. Step 5: Solve for x
    x = 7,348,092,958.08/97,165.92
  6. Step 6: Final answer
    x = 75,624.18

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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.