Home / 97,481.57-146,222.34-53,145.60

Finding the Fourth Proportional to 97,481.57, 146,222.34 and 53,145.60

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Solution

The fourth proportional to 97,481.57, 146,222.34 and 53,145.60 is: 79,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,481.57 : 146,222.34 = 53,145.60 : x
  2. Step 2: Convert to fraction form
    97,481.57/146,222.34 = 53,145.60/x
  3. Step 3: Cross multiply
    97,481.57x = 146,222.34 × 53,145.60
  4. Step 4: Simplify right side
    97,481.57x = 7,771,073,992.70
  5. Step 5: Solve for x
    x = 7,771,073,992.70/97,481.57
  6. Step 6: Final answer
    x = 79,718.40

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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.