Home / 149,408.20-224,258.10-74,612.80

Finding the Fourth Proportional to 149,408.20, 224,258.10 and 74,612.80

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Solution

The fourth proportional to 149,408.20, 224,258.10 and 74,612.80 is: 111,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,408.20 : 224,258.10 = 74,612.80 : x
  2. Step 2: Convert to fraction form
    149,408.20/224,258.10 = 74,612.80/x
  3. Step 3: Cross multiply
    149,408.20x = 224,258.10 × 74,612.80
  4. Step 4: Simplify right side
    149,408.20x = 16,732,524,763.68
  5. Step 5: Solve for x
    x = 16,732,524,763.68/149,408.20
  6. Step 6: Final answer
    x = 111,992.01

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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.