Home / 114,770.28-172,150.70-39,907.38

Finding the Fourth Proportional to 114,770.28, 172,150.70 and 39,907.38

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Solution

The fourth proportional to 114,770.28, 172,150.70 and 39,907.38 is: 59,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,770.28 : 172,150.70 = 39,907.38 : x
  2. Step 2: Convert to fraction form
    114,770.28/172,150.70 = 39,907.38/x
  3. Step 3: Cross multiply
    114,770.28x = 172,150.70 × 39,907.38
  4. Step 4: Simplify right side
    114,770.28x = 6,870,083,202.63
  5. Step 5: Solve for x
    x = 6,870,083,202.63/114,770.28
  6. Step 6: Final answer
    x = 59,859.43

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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.