Home / 149,845.20-224,700.12-79,709.52

Finding the Fourth Proportional to 149,845.20, 224,700.12 and 79,709.52

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Solution

The fourth proportional to 149,845.20, 224,700.12 and 79,709.52 is: 119,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,845.20 : 224,700.12 = 79,709.52 : x
  2. Step 2: Convert to fraction form
    149,845.20/224,700.12 = 79,709.52/x
  3. Step 3: Cross multiply
    149,845.20x = 224,700.12 × 79,709.52
  4. Step 4: Simplify right side
    149,845.20x = 17,910,738,709.14
  5. Step 5: Solve for x
    x = 17,910,738,709.14/149,845.20
  6. Step 6: Final answer
    x = 119,528.28

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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.