Home / 102,202.22-153,297.13-38,147.96

Finding the Fourth Proportional to 102,202.22, 153,297.13 and 38,147.96

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Solution

The fourth proportional to 102,202.22, 153,297.13 and 38,147.96 is: 57,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,202.22 : 153,297.13 = 38,147.96 : x
  2. Step 2: Convert to fraction form
    102,202.22/153,297.13 = 38,147.96/x
  3. Step 3: Cross multiply
    102,202.22x = 153,297.13 × 38,147.96
  4. Step 4: Simplify right side
    102,202.22x = 5,847,972,783.35
  5. Step 5: Solve for x
    x = 5,847,972,783.35/102,202.22
  6. Step 6: Final answer
    x = 57,219.63

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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.