Home / 149,723.20-224,584.80-70,991.20

Finding the Fourth Proportional to 149,723.20, 224,584.80 and 70,991.20

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Solution

The fourth proportional to 149,723.20, 224,584.80 and 70,991.20 is: 106,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,723.20 : 224,584.80 = 70,991.20 : x
  2. Step 2: Convert to fraction form
    149,723.20/224,584.80 = 70,991.20/x
  3. Step 3: Cross multiply
    149,723.20x = 224,584.80 × 70,991.20
  4. Step 4: Simplify right side
    149,723.20x = 15,943,544,453.76
  5. Step 5: Solve for x
    x = 15,943,544,453.76/149,723.20
  6. Step 6: Final answer
    x = 106,486.80

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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.