Home / 149,811.40-224,717.10-90,616.60

Finding the Fourth Proportional to 149,811.40, 224,717.10 and 90,616.60

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Solution

The fourth proportional to 149,811.40, 224,717.10 and 90,616.60 is: 135,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,811.40 : 224,717.10 = 90,616.60 : x
  2. Step 2: Convert to fraction form
    149,811.40/224,717.10 = 90,616.60/x
  3. Step 3: Cross multiply
    149,811.40x = 224,717.10 × 90,616.60
  4. Step 4: Simplify right side
    149,811.40x = 20,363,099,563.86
  5. Step 5: Solve for x
    x = 20,363,099,563.86/149,811.40
  6. Step 6: Final answer
    x = 135,924.90

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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.