Home / 149,912.60-224,933.70-70,986.20

Finding the Fourth Proportional to 149,912.60, 224,933.70 and 70,986.20

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Solution

The fourth proportional to 149,912.60, 224,933.70 and 70,986.20 is: 106,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,912.60 : 224,933.70 = 70,986.20 : x
  2. Step 2: Convert to fraction form
    149,912.60/224,933.70 = 70,986.20/x
  3. Step 3: Cross multiply
    149,912.60x = 224,933.70 × 70,986.20
  4. Step 4: Simplify right side
    149,912.60x = 15,967,188,614.94
  5. Step 5: Solve for x
    x = 15,967,188,614.94/149,912.60
  6. Step 6: Final answer
    x = 106,509.98

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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.