Home / 107,450.40-161,175.60-60,211.20

Finding the Fourth Proportional to 107,450.40, 161,175.60 and 60,211.20

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Solution

The fourth proportional to 107,450.40, 161,175.60 and 60,211.20 is: 90,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,450.40 : 161,175.60 = 60,211.20 : x
  2. Step 2: Convert to fraction form
    107,450.40/161,175.60 = 60,211.20/x
  3. Step 3: Cross multiply
    107,450.40x = 161,175.60 × 60,211.20
  4. Step 4: Simplify right side
    107,450.40x = 9,704,576,286.72
  5. Step 5: Solve for x
    x = 9,704,576,286.72/107,450.40
  6. Step 6: Final answer
    x = 90,316.80

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1.5x scale

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.