Home / 149,719.80-224,579.70-137,472.60

Finding the Fourth Proportional to 149,719.80, 224,579.70 and 137,472.60

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Solution

The fourth proportional to 149,719.80, 224,579.70 and 137,472.60 is: 206,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,719.80 : 224,579.70 = 137,472.60 : x
  2. Step 2: Convert to fraction form
    149,719.80/224,579.70 = 137,472.60/x
  3. Step 3: Cross multiply
    149,719.80x = 224,579.70 × 137,472.60
  4. Step 4: Simplify right side
    149,719.80x = 30,873,555,266.22
  5. Step 5: Solve for x
    x = 30,873,555,266.22/149,719.80
  6. Step 6: Final answer
    x = 206,208.90

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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.