Home / 250,135.08-345,219.78-148,152.30

Finding the Fourth Proportional to 250,135.08, 345,219.78 and 148,152.30

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Solution

The fourth proportional to 250,135.08, 345,219.78 and 148,152.30 is: 204,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,135.08 : 345,219.78 = 148,152.30 : x
  2. Step 2: Convert to fraction form
    250,135.08/345,219.78 = 148,152.30/x
  3. Step 3: Cross multiply
    250,135.08x = 345,219.78 × 148,152.30
  4. Step 4: Simplify right side
    250,135.08x = 51,145,104,412.49
  5. Step 5: Solve for x
    x = 51,145,104,412.49/250,135.08
  6. Step 6: Final answer
    x = 204,469.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.