Home / 149,928.40-224,892.60-39,120.40

Finding the Fourth Proportional to 149,928.40, 224,892.60 and 39,120.40

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Solution

The fourth proportional to 149,928.40, 224,892.60 and 39,120.40 is: 58,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,928.40 : 224,892.60 = 39,120.40 : x
  2. Step 2: Convert to fraction form
    149,928.40/224,892.60 = 39,120.40/x
  3. Step 3: Cross multiply
    149,928.40x = 224,892.60 × 39,120.40
  4. Step 4: Simplify right side
    149,928.40x = 8,797,888,469.04
  5. Step 5: Solve for x
    x = 8,797,888,469.04/149,928.40
  6. Step 6: Final answer
    x = 58,680.60

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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.