Home / 149,997.40-224,736.90-126,669.40

Finding the Fourth Proportional to 149,997.40, 224,736.90 and 126,669.40

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Solution

The fourth proportional to 149,997.40, 224,736.90 and 126,669.40 is: 189,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,997.40 : 224,736.90 = 126,669.40 : x
  2. Step 2: Convert to fraction form
    149,997.40/224,736.90 = 126,669.40/x
  3. Step 3: Cross multiply
    149,997.40x = 224,736.90 × 126,669.40
  4. Step 4: Simplify right side
    149,997.40x = 28,467,288,280.86
  5. Step 5: Solve for x
    x = 28,467,288,280.86/149,997.40
  6. Step 6: Final answer
    x = 189,785.21

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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.