Home / 149,579.28-224,466.30-79,507.80

Finding the Fourth Proportional to 149,579.28, 224,466.30 and 79,507.80

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Solution

The fourth proportional to 149,579.28, 224,466.30 and 79,507.80 is: 119,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,579.28 : 224,466.30 = 79,507.80 : x
  2. Step 2: Convert to fraction form
    149,579.28/224,466.30 = 79,507.80/x
  3. Step 3: Cross multiply
    149,579.28x = 224,466.30 × 79,507.80
  4. Step 4: Simplify right side
    149,579.28x = 17,846,821,687.14
  5. Step 5: Solve for x
    x = 17,846,821,687.14/149,579.28
  6. Step 6: Final answer
    x = 119,313.46

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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.