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Finding the Fourth Proportional to 149,766.80, 224,650.20 and 100,000.40

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Solution

The fourth proportional to 149,766.80, 224,650.20 and 100,000.40 is: 150,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,766.80 : 224,650.20 = 100,000.40 : x
  2. Step 2: Convert to fraction form
    149,766.80/224,650.20 = 100,000.40/x
  3. Step 3: Cross multiply
    149,766.80x = 224,650.20 × 100,000.40
  4. Step 4: Simplify right side
    149,766.80x = 22,465,109,860.08
  5. Step 5: Solve for x
    x = 22,465,109,860.08/149,766.80
  6. Step 6: Final answer
    x = 150,000.60

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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.