Home / 149,861.60-224,792.40-131,429.60

Finding the Fourth Proportional to 149,861.60, 224,792.40 and 131,429.60

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Solution

The fourth proportional to 149,861.60, 224,792.40 and 131,429.60 is: 197,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,861.60 : 224,792.40 = 131,429.60 : x
  2. Step 2: Convert to fraction form
    149,861.60/224,792.40 = 131,429.60/x
  3. Step 3: Cross multiply
    149,861.60x = 224,792.40 × 131,429.60
  4. Step 4: Simplify right side
    149,861.60x = 29,544,375,215.04
  5. Step 5: Solve for x
    x = 29,544,375,215.04/149,861.60
  6. Step 6: Final answer
    x = 197,144.40

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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.