Home / 149,286.60-223,929.90-66,180.60

Finding the Fourth Proportional to 149,286.60, 223,929.90 and 66,180.60

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Solution

The fourth proportional to 149,286.60, 223,929.90 and 66,180.60 is: 99,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,286.60 : 223,929.90 = 66,180.60 : x
  2. Step 2: Convert to fraction form
    149,286.60/223,929.90 = 66,180.60/x
  3. Step 3: Cross multiply
    149,286.60x = 223,929.90 × 66,180.60
  4. Step 4: Simplify right side
    149,286.60x = 14,819,815,139.94
  5. Step 5: Solve for x
    x = 14,819,815,139.94/149,286.60
  6. Step 6: Final answer
    x = 99,270.90

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1.5x scale

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.