Home / 149,928.20-224,892.30-39,120.20

Finding the Fourth Proportional to 149,928.20, 224,892.30 and 39,120.20

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Solution

The fourth proportional to 149,928.20, 224,892.30 and 39,120.20 is: 58,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,928.20 : 224,892.30 = 39,120.20 : x
  2. Step 2: Convert to fraction form
    149,928.20/224,892.30 = 39,120.20/x
  3. Step 3: Cross multiply
    149,928.20x = 224,892.30 × 39,120.20
  4. Step 4: Simplify right side
    149,928.20x = 8,797,831,754.46
  5. Step 5: Solve for x
    x = 8,797,831,754.46/149,928.20
  6. Step 6: Final answer
    x = 58,680.30

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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.