Home / 113,489.60-170,234.40-38,629.40

Finding the Fourth Proportional to 113,489.60, 170,234.40 and 38,629.40

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Solution

The fourth proportional to 113,489.60, 170,234.40 and 38,629.40 is: 57,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,489.60 : 170,234.40 = 38,629.40 : x
  2. Step 2: Convert to fraction form
    113,489.60/170,234.40 = 38,629.40/x
  3. Step 3: Cross multiply
    113,489.60x = 170,234.40 × 38,629.40
  4. Step 4: Simplify right side
    113,489.60x = 6,576,052,731.36
  5. Step 5: Solve for x
    x = 6,576,052,731.36/113,489.60
  6. Step 6: Final answer
    x = 57,944.10

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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.