Home / 591,391.31-887,086.87-142,112.18

Finding the Fourth Proportional to 591,391.31, 887,086.87 and 142,112.18

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Solution

The fourth proportional to 591,391.31, 887,086.87 and 142,112.18 is: 213,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,391.31 : 887,086.87 = 142,112.18 : x
  2. Step 2: Convert to fraction form
    591,391.31/887,086.87 = 142,112.18/x
  3. Step 3: Cross multiply
    591,391.31x = 887,086.87 × 142,112.18
  4. Step 4: Simplify right side
    591,391.31x = 126,065,848,234.52
  5. Step 5: Solve for x
    x = 126,065,848,234.52/591,391.31
  6. Step 6: Final answer
    x = 213,168.25

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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.