Home / 153,958.05-212,520.38-132,361.29

Finding the Fourth Proportional to 153,958.05, 212,520.38 and 132,361.29

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Solution

The fourth proportional to 153,958.05, 212,520.38 and 132,361.29 is: 182,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,958.05 : 212,520.38 = 132,361.29 : x
  2. Step 2: Convert to fraction form
    153,958.05/212,520.38 = 132,361.29/x
  3. Step 3: Cross multiply
    153,958.05x = 212,520.38 × 132,361.29
  4. Step 4: Simplify right side
    153,958.05x = 28,129,470,986.28
  5. Step 5: Solve for x
    x = 28,129,470,986.28/153,958.05
  6. Step 6: Final answer
    x = 182,708.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.