Home / 138,062.23-207,069.05-36,861.54

Finding the Fourth Proportional to 138,062.23, 207,069.05 and 36,861.54

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Solution

The fourth proportional to 138,062.23, 207,069.05 and 36,861.54 is: 55,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,062.23 : 207,069.05 = 36,861.54 : x
  2. Step 2: Convert to fraction form
    138,062.23/207,069.05 = 36,861.54/x
  3. Step 3: Cross multiply
    138,062.23x = 207,069.05 × 36,861.54
  4. Step 4: Simplify right side
    138,062.23x = 7,632,883,885.03
  5. Step 5: Solve for x
    x = 7,632,883,885.03/138,062.23
  6. Step 6: Final answer
    x = 55,285.82

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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.