Home / 147,361.38-221,085.20-47,519.57

Finding the Fourth Proportional to 147,361.38, 221,085.20 and 47,519.57

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Solution

The fourth proportional to 147,361.38, 221,085.20 and 47,519.57 is: 71,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,361.38 : 221,085.20 = 47,519.57 : x
  2. Step 2: Convert to fraction form
    147,361.38/221,085.20 = 47,519.57/x
  3. Step 3: Cross multiply
    147,361.38x = 221,085.20 × 47,519.57
  4. Step 4: Simplify right side
    147,361.38x = 10,505,872,294.34
  5. Step 5: Solve for x
    x = 10,505,872,294.34/147,361.38
  6. Step 6: Final answer
    x = 71,293.25

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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.