Home / 150,414.60-207,517.23-89,986.98

Finding the Fourth Proportional to 150,414.60, 207,517.23 and 89,986.98

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Solution

The fourth proportional to 150,414.60, 207,517.23 and 89,986.98 is: 124,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,414.60 : 207,517.23 = 89,986.98 : x
  2. Step 2: Convert to fraction form
    150,414.60/207,517.23 = 89,986.98/x
  3. Step 3: Cross multiply
    150,414.60x = 207,517.23 × 89,986.98
  4. Step 4: Simplify right side
    150,414.60x = 18,673,848,825.67
  5. Step 5: Solve for x
    x = 18,673,848,825.67/150,414.60
  6. Step 6: Final answer
    x = 124,149.18

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1.5x scale

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.